. What is the first step of thermonuclear fusion within the Sun to form helium-4?
The fission of hydrogen to form protons and neutrons.
Two lithium atoms, each with three protons and three neutrons, undergo fission to form hydrogen atoms with
Two hydrogen nuclei, each with only one proton, fuse to form deuterium, a form of hydrogen with one protor
O Electrons and protons fuse to form the nucleus of a helium atom.

Answers

Answer 1

Answer:

a nucleus of Deuterium (2H)

Explanation:

formed from two protons with the emission of an antielectron and a neutrino. In the basic Hydrogen fusion cycle, four Hydrogen nuclei (protons) come together to make a Helium nucleus.


Related Questions

help :(
Which of the following is the most accurate example of supply and demand?


The consumer cost for roses drops when fewer roses are available for sale.

The price of rice increases as more of it is produced.

The consumer cost for roses drops when fewer roses are available for sale.

The large amount of unemployed farm laborers drops farm wages.

Answers

Answer:

Which of the following is the most accurate example of supply and demand?

The consumer cost for roses drops when fewer roses are available for sale.

Explanation:

What is demand?

Demand refers to consumers' desire to purchase goods and services at given prices. Demand can mean either market demand for a specific good or aggregate demand for the total of all goods in an economy.

The consumer cost for roses drops when fewer roses are available for sale.

Explanation:-

Demand means the asking of consumers for the product.If demand of any product increases among consumers the price also increases.If demand of any product decreases among consumers the price also decreases .

[tex]\\ \sf\longmapsto Demand\propto Product [/tex]

Explain why the accidental and intentional introduction of new pests is likely to be an ongoing problem for future agriculture, and include possible approaches to solving the problem.

Answers

The introduction of pests in a new geographic region may have devastating consequences on crop yields. Invasive pest species often don't have natural predators or exhibit higher adaptive fitness.

Invasive species represent an important subject of concern in agriculture because they have the potential to drastically reduce crop yields.

Generally, invasive pest species don't have natural predators or exhibit higher adaptive fitness compared to well-established natural pest species.

In consequence, these species (invasive species) may cause considerable harm to crops.

Learn more about invasive species here:

https://brainly.com/question/21452505

What principle of light’s behavior can be used to make a far away object appear closer and also make a small object appear larger? A. incidence B. reception C. transmission D. refraction

Answers

Answer:

I believe that the answer to this question would be D. refraction

Explanation:

because it changes direction of the light in don't know how to explain


Which of the following best describes the cellular location where pyruvate dehydrogenase is most likely active?
(A) The cytosol
(B) The lysosomes
(C) The nucleus
(D) The mitochondrial matrix

Answers

The organelle where cellular respiration where pyruvate dehydrogenase is most likely active is; Choice D: The mitochondrial matrix.

Discussion:

In eukaryotes, the pyruvate dehydrogenase complex, like the enzymes for citric acid cycle and oxidation of fatty acids, is located in the mitochondrial complex, where is associated with the surface of the inner membrane facing the matrix.

Read more:

https://brainly.com/question/20730973

Imagine that head shape is controlled by a maternal effect gene. The dominant h allele produces a oval-shaped head, while the recessive h allele produces a square-shaped head. Imagine that a woman has an oval-shaped head. Her father has the h h genotype. What proportion of head phenotypes do you expect to see in her children

Answers

The woman’s genotype is Hh because her father has the genotype hh. If the woman has children with a person who’s genotype is HH, you see 100% oval heads, you’d have genotype HH and Hh. If the woman has children with a person who is Hh, you expect 75% oval heads and 25% square heads with the genotypes HH, Hh, and hh. If she has children with some who is hh, you’d expect 50% oval, 50%square with genotype Hh and hh. To solve, use punnet squares!

……….. are organic substances required in small quantities for our body
a. Minerals
c. trans fats
b. Vitamins
d. Amino acids

Answers

Answer:

your answer is B: Vitamins

Explanation:

All changes saved
1. Using the image below, describe in at least 2 paragraphs, what is happening with the arrows. Name and explain the processes and the changing forms
of Carbon. To conclude, predict what the numbers might represent.
Global Carbon Cycle
Sol Respiration
Welconces
Atmosphere
750
58
11200
Mont
Respiration
Burning
Fossil
Fuels
Deforestation
fond Lond Vio
Change
1.1
Ocean
Loss
59
190
Ocean
Uploke
7.7
192
Plants
560
-
Literfall
59
Soils
Rivers
Fossil Fuels
1,500
02
5,000 -10,000
Earth's Crust
100,000,000
0.01
Boriolo Sediments
Surface Ocean 725
Intermediate and
Deep Ocean 37,275 Po
Legend
U-10-15
.
.
SAVE & EXIT
SUBMIT ALL ANSWERS

Answers

Answer:

Carbon is the backbone of life on Earth. We are made of carbon, we eat carbon, and our civilizations—our economies, our homes, our means of transport—are built on carbon. We need carbon, but that need is also entwined with one of the most serious problems facing us today: global climate change.

Photograph of a forest.

Photograph of a coal fire.

Carbon is both the foundation of all life on Earth, and the source of the majority of energy consumed by human civilization. [Photographs ©2007 MorBCN (top) and ©2009 sarahluv (lower).]

Forged in the heart of aging stars, carbon is the fourth most abundant element in the Universe. Most of Earth’s carbon—about 65,500 billion metric tons—is stored in rocks. The rest is in the ocean, atmosphere, plants, soil, and fossil fuels.

Carbon flows between each reservoir in an exchange called the carbon cycle, which has slow and fast components. Any change in the cycle that shifts carbon out of one reservoir puts more carbon in the other reservoirs. Changes that put carbon gases into the atmosphere result in warmer temperatures on Earth.

Draft diagram of the carbon cycle.

This diagram of the fast carbon cycle shows the movement of carbon between land, atmosphere, and oceans. Yellow numbers are natural fluxes, and red are human contributions in gigatons of carbon per year. White numbers indicate stored carbon. (Diagram adapted from U.S. DOE, Biological and Environmental Research Information System.)

Over the long term, the carbon cycle seems to maintain a balance that prevents all of Earth’s carbon from entering the atmosphere (as is the case on Venus) or from being stored entirely in rocks. This balance helps keep Earth’s temperature relatively stable, like a thermostat.

This thermostat works over a few hundred thousand years, as part of the slow carbon cycle. This means that for shorter time periods—tens to a hundred thousand years—the temperature of Earth can vary. And, in fact, Earth swings between ice ages and warmer interglacial periods on these time scales. Parts of the carbon cycle may even amplify these short-term temperature changes.

Graph of oxygen isotope ratios in the deep ocean for the past 67 million years.

The global carbon cycle model describes the evolution of carbon mass in the mantle (Cm), the combined reservoir of ocean and atmosphere (Co+a), the continental crust (Cc), the ocean crust and floor (Cf), the kerogen (Cker), and the biosphere (Cbio).

What are the steps of carbon cycle?

Carbon on the dynamic planet can move from one of these realms to another as part of the carbon cycle.

Carbon is transferred from the atmosphere to plants.Carbon is transferred from plants to animals.Carbon is transferred from plants and animals to soils.Carbon is transferred from living things to the atmosphere.When fossil fuels are burned, carbon is released into the atmosphere.Carbon is transferred from the atmosphere to the oceans.

Thus, above-mentioned are the steps involved in a carbon cycle.

For more details regarding carbon cycle, visit:

https://brainly.com/question/1627609

#SPJ2

How do limiting factors influence each other?

Answers

Answer:

In the natural world, limiting factors like the availability of food, water, shelter and space can change animal and plant populations. Other limiting factors, like competition for resources, predation and disease can also impact populations. ... Other changes in limiting factors will cause a population to decrease.

Explanation:

hope it helps.

Answer: Two or more limiting factors may work in conjunction with one another.

Explanation:  For example, parasites and disease. In this case, we have a biotic factor (parasites) combined with an abiotic factor (a disease-causing virus). Combining these limiting factors creates a deadly team that can have an even greater impact on a population's growth and survival.

GIVING BRAINLY!!
In which kingdom are rose bushes classified?
A. Fungi
B. Plantae
C. Bacteria
O D. Protista

Answers

Answer:

plantae............✨✨✨

Answer: the answer is B

Explanation: trust me took the test yesterday

As a commodity producer, the price that you receive is likely to be different than the price your neighbor receives for selling the same commodity.


True

False

PLEASE HELP ME PLEASE

Answers

Answer:

True True True

Explanation:

hope it help

Explanation:

As a commodity producer, the price that you receive is likely to be different than the price your neighbor receives for selling the same commodity.

True✅✅

False

Which of the following shows methods of harvesting corn in order from the
lowest rate of resource consumption to the highest?
A. Picked and sorted by hand - picked and sorted by complex
machinery - hand-picked and sorted by a simple machine
• B. Picked and sorted by hand - hand-picked and sorted by a simple
machine - picked and sorted by complex machinery
O C. Picked and sorted by complex machinery - hand-picked and
sorted by a simple machine - picked and sorted by hand
D. Hand-picked and sorted by a simple machine - picked and sorted
by hand - picked and sorted by complex machinery

Answers

Answer:

B complex would come last correct?

Explanation:

1. The nose helps the body keep its balance.

a. True
b. False

Answers

Answer:

false

Explanation:

The ears help the body keep it's balance. Most issues with the balance arise from conditions affecting the inner ear.

During the Green Revolution pesticides
were
A. overused
B. all organic
C. used sparingly
D. all natural

Answers

From researching, the answer might be A. Overused

Answer: A. overused

Explanation:

Why are Flowers considered as the reproductive part of a plant

Answers

Answer:

because it houses the male and female parts of the plant which produce the male and female gametes

Answer:

Flowers are called reproductive structures of plant as they contain both male and female parts which reproduces to produce pollen grains and eggs. Each of them fertilizers and produces embryo which eventually produces new plant.

What determines whether an crop is a spring annual,
summer annual, or winter annual?

Answers

Agriculture  is commonly described as the science or art of farming. What determines them is climate, temperature, cold, if seed can be sown outdoors in the spring , the ability to withstand early spring and fall frosts and winter temperatures.

Summer annual crops are known to germinate, flower, produce seed, and die by frost amidst the warmer months of the year.

Winter annuals often sprout in the late summer and autumn, it is known to be dormant during the winter, and grow during the next spring and summer. its young winter annual plants live through the winter then flower, set seed and die out the following summer.

Winter annuals often bloom in winter or spring. They grows in very low to the ground. Examples are henbit, deadnettle, chickweed etc. Spring annuals are known to sprout early in the spring.

Learn more from

https://brainly.com/question/15654464

Which of the following is NOT produced by most plants?

A.Fruits

B.Roots

C.Leaves

D.Poison

Answers

Answer:

D.Poison

Explanation:

Poison is not produced by most plants.

Poisons are dangerous to plants,even a people and animals

Brainliest me thank for later

Once it reaches full size, an invertebrate is considered:
an adult
1. a nymph
2. a larvah
3. a pupa

Answers

the answer is nymph

GIVING BRAINLY
Which characteristic do animals with an endoskeleton have that animals with
an exoskeleton lack?
A. A skeleton outside their body
B. A skeleton inside their body
C. The ability to get heat from the environment
D. The ability to produce most of the heat they need

Answers

Answer:

A.

Explanation:

Cause endo skeleton is on the inside

The answer is B because endoskeletons are external bones

During the 1918 influenza pandemic, the world was still engaged in World War I. Movement and mobilization of troops placed large numbers of people in close contact, and living spaces were overcrowded. How could modern epidemiology have assisted with the detection and prevention of this communicable disease?

Vaccines could have been given to all military personnel.
Cities could have implemented community mitigation measures.
Social distancing could have been enforced in military living spaces.
Records of troop movement could have been used for contact tracing.

Answers

Answer:

D

Explanation:

Modern epidemiology has assisted with the detection and prevention of this communicable disease through Records of troop movement that could have been used for contact tracing.

What brought on the influenza pandemics?

It becomes due to an H1N1 virus with genes of avian beginning. Despite the fact that there isn't always a time-honored consensus regarding where the virus originated, it spread globally at some point in 1918-1919. in the united states of America, it turned into first recognized by army employees in the spring of 1918.

How did the Black demise stop?

The most famous theory of the way the plague ended is thru the implementation of quarantines. The uninfected would normally continue to be of their houses and handiest depart whilst it turned into important, at the same time as those who may want to have enough money to accomplish that would depart the more densely populated areas and live in more isolation.

Learn more about the influenza pandemic here: https://brainly.com/question/9970328

#SPJ2

Mention the non-living and living characteristics of viruses?

Answers

Explanation:

The Living Characteristics of Viruses are: 1 – They reproduce at a fast rate, only in living host cells. The Non - Living Characteristics of Viruses are: 1 – They are not cells, contain no cytoplasm or cellular organelles.

Viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply. Therefore, viruses are not living things.

Hope this helps!!

How are human beings and chimpanzees phylogenetically related?

A.
They share a common ancestor.
B.
They share the ability to use tools.
C.
They both belong to the animal kingdom.

Answers

Answer:

The correct answer is A.

Explanation:

The definition of phylogenetically is "in a way that relates to the evolutionary development and diversification of a species or group of organisms." This means any phylogenetic relationship has to be sharing and answer.

The correct answer would be A. because they are related, so they can share w common ancestor! hope this helps.

the process of diffusion occur when?

Answers

Answer:

Diffusion occurs in a type of cell transport called passive transport.

This type of cell transport doesn't use any energy. It goes from a high to low concentration gradient.

Tiny blood vessels called ____ Connects the very small artery branches to very small veins. PLESE HELP FAST

Answers

Answer:

cappilaries

Explanation:

Answer:

Cappilaries

Explanation:

hope it helps :) (i already know it)

What is most likely the identity of the biome, and why?

Answers

Answer:

The primary factor which determines a biome is the climate. Temperature and precipitation essentially determines what kind of growing season or soil quality the terrain may have,which therefore affects the growth of plants living there.

Other factors may include: humidity, pollution (such as air, noise...), daylight intensity

Explanation:

can we get more context

Where can cells that are able to differentiate be found?

Answers

Answer:

it can be found in higher plants and embryonic stem cells in animals


Which codon is the code for the amino acid valine (Val)?

Answers

Answer: A. GUC

Explanation:

Looking at the codon chart, we see that on the lower left corner (where first base in codon is G) the whole section matches to amino acid valine. Therefore, GUU, GUC, GUA, and GUG are all correct answers, but since GUC is the only correct choice in the four choices given, GUC is the answer to this question.

PLEASE HELP LIKE I REALLY NEED HELP

Which of the following distinguishes how the farm bill in its current form differs from the Agricultural Adjustment Act of 1933?


The farm bill provides payments to farmers through indirect means only.

The farm bill allows set funding to purchase farm surplus for government use.


The farm bill pays farmers to grow crops, rather than to not grow them.


The farm bill includes charitable aid to those living in poverty.

Answers

Answer:

The Farm bill includes charitable aid for those living in Poverty.

Explanation:

The farm bill is a package of legislation passed roughly once every five years that has a tremendous impact on farming livelihoods, how food is grown, and what kinds of foods are grown. Covering programs ranging from crop insurance for farmers to healthy food access for low-income families, from beginning farmer training to support for sustainable farming practices, the farm bill sets the stage for our food and farm systems. As a leading advocate for family farmers and sustainable agriculture, it’s our job to make sure that this important bill is good for farmers, consumers, and for the natural environment.

Explanation:

Which of the following distinguishes how the farm bill in its current form differs from the Agricultural Adjustment Act of 1933?

➠➢ ➡The farm bill includes charitable aid to those living in poverty.

Zoning laws establish
a. what types of buildings can be built in an area
b. the uses an area of land can be put to
who can live in an area
d. the types of business that can occupy a building
C.
Please select the best answer from the choices provided

Answers

Answer:

Land-use zones are areas in urban areas that have particular functions, such as retail, residential and industry. All cities have different land-use zones. These include: Commercial land use: hotels, shops, offices and other businesses cluster together in the central business district (CBD) at the centre of the city.

Answer:

answer a)

what types of buildings can be built in an area

Explanation:

i just took this on edu

PLEASE HELP ME!!! ILL GIVE BRAINLIST

Answers

Answer:

B

Explanation:

Cytoplasm.

This occurs in animal cells

. During reproduction, a sperm cell fertilizes an egg cell. The newly formed
embryo then undergoes mitosis as it develops. The cells of the organism
differentiate in order to perform different functions for the organism.
The reason different cells perform different functions is that they -

Answers

Are coded by DNA to do their tasks.
Other Questions
Which sentence in this excerpt from George Bernard Shaws Pygmalion reveals that Henry Higgins is proud to be an English speaker?THE NOTE TAKER: A woman who utters such depressing and disgusting sounds has no right to be anywhereno right to live. Remember that you are a human being with a soul and the divine gift of articulate speech: that your native language is the language of Shakespear [sic] and Milton and The Bible; and don't sit there crooning like a bilious pigeon.THE FLOWER GIRL: (quite overwhelmed, and looking up at him in mingled wonder and deprecation without daring to raise her head): Ahahahowowoo!THE NOTE TAKER (whipping out his book): Heavens! what a sound! (He writes; then holds out the book and reads, reproducing her vowels exactly) Ahahahowowoo!THE FLOWER GIRL (tickled by the performance, and laughing inspite of herself): Garn!THE NOTE TAKER: You see this creature with her kerbstone English: the English that will keep her in the gutter to the end of her days. Well, sir, in three months I could pass that girl off as a duchess at an ambassador's garden party. I could even get her a place as lady's maid or shop assistant, which requires better English. That's the sort of thing I do for commercial millionaires. And on the profits of it I do genuine scientific work in phonetics, and a little as a poet on Miltonic lines. The square of the correlation coefficient gives a.An estimate of reliability b.An estimate of power c.The percentage of the variance attributed to error d.The percentage of the variance in the data that is accounted for by the independent variable. Which of the following ideas did you include in your plan?civil rights for African Americanspunishment for those loyal to the Confederacymilitary involvement to enforce lawsrestrictions on suffrageprohibition of slaveryother ideas Is the inequality 5-x^2 Determine whether each figure creates the conditions to form a unique triangle, more than one triangle, or no triangle. A triangle with 30 degrees in the left corner, 40 degrees in the right corner and 7 cm along the bottom of the triangle.a unique triangleno trianglemore than one triangle Classify each of the following expressions by selecting the polynomial type.9xy5A)monomialB)binomialC)trinomialD)polynomial Which event caused our energy needs to skyrocket ? French Revolution American Revolution Industrial Revolution Russian Revolution Answer 1 question. Thanks Which organization offers certification examinations for the National Certified Medical Assistant and National Certified Medical Office Assistant WILL MARK BRAINLIEST!Describe the contributions of Galileo and the controversy that he caused with his theories. Last year, the student population at Sunshine Middle School was 876 students. This year it is 891 students. What percentage did the student population increase? Harry works all the time. He ______.A. never relaxesB. relaxes neverC. often relaxesD. relaxes sometimes A teacher orders school supplies by the pound.A flat fee of $15.25 plus $3.45 per pound of supplies ordered is added to the bill to cover the shipping cost.The teacher budgets $49.75 for the shipping cost.Which list of values best represents the entire domain for shipping, f(x), as a function of the number of whole pounds of school supplies the teacher can order, x?{0,1,2,3,4,5,6,7,8,9}{ 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 }{0,1,2,3,4,5,6,7,8,9,10}{ 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 }{1,2,3,4,5,6,7,8,9,10,11,12}{ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 }{1,2,3,4,5,6,7,8,9,10,11,12,13,14}{ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 } Which variable expression represent the word phrase? The sum of 10 and the product of 7 and a number A bank loaned out $30,500, part of it at the rate of 5% annual interest, and the rest at 4% annual interest. The total interest earned for both loans was $1,405.00. How much was loaned at each rate?$What was loaned at 5% and$ What was loaned at 4%. how many months are there in a year?what are they? I NEED HELP PLEASE SHOW WORK ON A PIC How to get rid of high cholesterol?!Please tell me the range of values of x for which 11-2x>1 A 70 kg hunter, standing on frictionless ice, shoots a 42 g bullet horizontally at a speed of 650 m/s . Part A What is the recoil speed of the hunter