Answer:
Option A) is correct.
Explanation:
Electromagnetic waves refer to waves that are created due to vibrations between a magnetic field and an electric field.
Electromagnetic waves do not require a medium to travel through space without a medium. Electromagnetic waves can travel through air, vacuum of space and solid materials.
So,
Option A) is correct.
ten effects of unsuitable work place environment to human health
Which of the atomic models represents the most reactive element?
A. Argon, because it has three energy levels with eight electrons in the third level.
B. Lithium, because it has two energy levels with one electron in the second level.
C. Aluminum, because it has five energy levels with two electrons in the third level.
D. Carbon, because it has two energy levels with four electrons in the second level.
The most reactive element is represented by the atomic model for lithium, which consists of two energy levels with an electron in the second level. So, the correct option is B.
What is Reactive element?A reactive element is one that forms chemical bonds with other elements to obtain a stable electron configuration. Reactive elements are chemically unstable. The amount of valence electrons in an element's highest energy level determines how reactive it is.
The element with the fewest number of energy levels and most reactive valence electrons in the above example is lithium, which has only two energy levels and one electron in the second level. Lithium in this state has one valence electron, which makes it very reactive and predisposed to form bonds with other elements filling its outermost shell.
Therefore, the correct option is B.
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When organisms become more similar by living in the same environment
Answer:
Convergent evolution is when two (or more) distantly related species independently evolve the same trait or gain a similar function. In math terms, convergence is when two things get really close to each other. For example, bats, birds, and insects are very distantly related but all have evolved the ability to fly.
Explanation:
Hope this helps
explain how at least three pieces of evidence support the theory of evolution
Answer:
There are five lines of evidence that support evolution.
Explanation:
Molecular biology ,biogeography, comparative anatomy, the fossil record, and comparative embryology. Choose any three of these :)
This is a what
A human b alien C mammal D all the above.
Answer:
A) he is a human okkkkkkkkkk
Answer:
well when looking closer at the picture you see diffrent things and humans are mammals so im going to go with d all of the above
Explanation:
What changes are caused by the hydrogenation of fatty acids?
A. The smell of fat changes
B. The number of calories per gram of fat is reduced
C. The fat becomes more invisible in foods
D. Liquid oils are converted to solid fats
A team of students from UGA are completing a field study to determine the impact the American alligator has on ecosystems in places such as the Okefenokee Swamp in South Georgia over a 3-month period. In one area, they have removed the alligators and in another area they have left the alligators. What is the hypothesis the students are testing?
A.
If the American alligator is a keystone species, then the ecosystem with alligators absent will be healthier and contain greater biodiversity.
B.
If the American alligator is a keystone species, then the ecosystem with alligators present will be healthier and contain greater biodiversity.
C.
If the American alligator is a tertiary consumer, then the ecosystem with alligators present will contain fewer primary producers.
D.
If the American alligator is a tertiary consumer, then the ecosystem with alligators absent will contain more primary producers.
Answer:
B
Explanation:
100% B
If the American alligator is a keystone species, then the ecosystem with alligators present will be healthier and contain greater biodiversity.
The diversity of living organisms on Earth, including plants, animals, microbes, and fungi, is referred to as biodiversity.
The Earth's biodiversity is so diverse that many species are still undiscovered, but because of human actions, many species are facing extinction, endangering the Earth's amazing biodiversity.
The vast variety of life on Earth is referred to as biodiversity. It can be applied more precisely to all the species found in a certain area or environment. Every living creature, including plants, microorganisms, animals, and people, is referred to as biodiversity.
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Please help me I’m using all my points for these :(
NO BOTS OR TROLLS!!
Tysm
Answer:
Electrical
Explanation:
I hope y’all are staying safe!
Pls list in the comments if wrong.
I’m always willing to try the best!
Animal body systems often coordinate their actions to carry out specific functions for the whole animal. Which of these correctly describes the interaction of two biological systems for a specific purpose in the human body?
Answer: I believe c is what you're looking for, D is also a viable option, but C is more likely.
Explanation:
The integumentary and immune system correctly describes the interaction
of two biological systems for a specific purpose in the human body.
The integumentary system which comprises of the skin, hair and nails help in
the protection and prevention of foreign substances from entering into the
body.
In situations where there is a cut or pathogenic microorganisms being
present in the body then the immune system acts by production of
antibodies which fight them.
The two systems work hand in hand to protect the body from foreign
compounds or organisms which may cause illness and death.
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where is 70s type of ribosomes found in eukaryotic cells?
Answer:
All prokaryotes have 70S (where S=Svedberg units) ribosomes while eukaryotes contain larger 80S ribosomes in their cytosol. The 70S ribosome is made up of a 50S and 30S subunits. Ribosomes play a key role in the catalysis of two important and crucial biological processes.
Helppppppppppppppppppp! ILL GIVE BRAINLIEST!!!!!
The graph below shows four different traits and the extent to which each trait is shared among different types of siblings raised in the same environment. In the graph, identical twins are siblings who share the same mother and father and are genetically identical, biological siblings are siblings who share the same mother and father but are genetically unique, and adoptive siblings are siblings who do not share the same mother and father.
Based on the information in the graph, which trait has the strongest genetic component?
A. Trait 1
B. Trait 2
C. Trait 3
D. Trait 4
Answer:
trait 1
Explanthis was counfusing so i might get this rong
Answer:
We will need more info please!
Explanation:
I will help you but ill need the graph!
Chemotherapy is associated with
germicides
ant infectives
antibiotics
all of the above
Answer:
B) anti-infectives
Explanation:
I just finished this lesson.
Can someone give me 4 causes and effects in how organisms and humans affect the enviroment?
Aerobic respiration requires this molecule, but Lactic Acid fermentation does not.
Carbon Dioxide
Glucose
Ethanol
Oxygen
Aerobic respiration requires Oxygen molecule, but Lactic Acid fermentation does not.
Aerobic respiration takes place in the presence of Oxygen, but Lactic Acid formation and fermentation doesn't require Oxygen.
difference between blood and lymph
Explanation:
Hope this is helpful
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Blood has RBC's, WBC's, platelets and a fluid called plasma. Whereas lymph has WBC's and watery fluid. They both have immune and also circulatory functions in them. One of the major differences between them is that blood flows through blood vessels and lymph through lymphatic vessels.
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Which is not a way to test water quality?
a. Humidity
b. pH
c. Chlorine
d. Dissolved oxygen
I don’t knowwwwwwwwwwwwwww
what happened when you simulated wave movements in your oil spill model. what affect would this have on resource availability for organisms that live near or around the shore
Answer:
Wave movement started to move the oil around in the water mixing it a little bit, but not very much. Wave movement also brought the oil near the shorelines. This could affect organisms that live around the shoreline because many organisms will catch hypothermia and most likely die if not treated.
Explanation:
Although strychnine is colorless, it has a very strong bitter taste.
A.True
B.False
Which of the following can NOT be cloned?
a. A dog
b. A rock
c. A bacterium
d. DNA
What is the general formula for a monosaccharide (a type of carbohydrate)?
Select one:
a. C6H12O6
b. CH2O
c. (CH2O)3
d. (CH2O)n
In the past, Native American Indians buried dead fish along with corn seeds. This technique was used because the decomposing dead fish would:
Answer:
Give nutrients for the corn seed to grow
Explanation:
The native Americans were using fish as fertilizers. Since fish fertilizer enhances soil quality, it also enhances soil productivity by supplying the essential nutrients for crop growth Fish fertilizers have blister nitrogen as well as the essential nutrients phosphorus as well as potassium.
This technique became popular when Native Americans taught the colonists such techniques of surviving in wilderness.
Which of the following best describes the Earth's atmosphere? *
An empty space
A big blanket absorbing the Sun's heat
A thin towel that does very little to protect the Earth
A large cloud that generates the Earth's electromagnetic field
Answer:
the 4rth one
Explanation:
What can you do to verify its purity?
Answer:
To verify you have a pure sample use the sterile needle to isolate and grow on a new streak plate to make sure you see only one culture.
Explanation:
The whole world is affected by pandemic.what could be the reasons for its spread and what can we do to prevent it.
Answer:
Reasons for the spreading of this illness is due to the fact that people are not wearing their masks, not covering their coughs and sneezing which spreads germs, and during this time coming in close contact with others. To help prevent the spread would be for us to wear masks because not only does it protect us it helps protects people from our germs. Washing hands and covering coughs and sneezes can also help tremendously as well as keeping distance between others. The sooner we all practices these basic things the quicker all of us can get back to our normal lives because almost we know almost everyone misses the normal.
Create a mutant fly with any number of variations and mate it with a
wild-type fly. How many offspring are wild-type? What are the
phenotypes of the flies that are not wild-type?
Untamed type, a person who exhibits the typical phenotype, which is the phenotype typically present in a population of living things. Mutant, a person who deviates from the typical phenotype in some way.
What are the phenotypes of the flies that are not wild-type?The phenotypic of a species' normal form as it appears in nature is known as the wild type (WT). The wild type was initially thought to result from the “regular” standard allele at a location, as opposed to a non-standard, “mutant” allele.
Type wild, an individual with the typical phenotype, or the phenotype typically present in a population of living things in the wild. Mutant, a person, has a phenotype that is different from the typical phenotype.
Therefore, to characterize a gene in its natural, unaltered (unchanged), non-mutated form. Some cancer types have been linked to mutated (changed) versions of specific genes.
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Groundwater is taken up through a tree's roots so the tree can grow. Which sequence correctly
shows how the water the plant is using will cycle though the water cycle and become groundwater
again?
respiration → condensation → precipitation → groundwater
condensation → precipitation → groundwater → transpiration
transpiration condensation → precipitation → groundwater
condensation → precipitation → groundwater → respiration
Answer:
condensation → precipitation → groundwater → transpiration
Explanation:
Which of the following releases energy when the bond between the second and
third phosphate is broken
ASP
APP
ADP
ATP
ATP releases energy when the bond between the second andthird phosphate is broken.
the energy is stored between the bonds of ATP molecule, and breaking of bonds releases that energy.
Color, Shape Texture, and Buoyancy are all?
Answer:
they're all properties of matter
Answer:
Art?♂️
Explanation:
As Earth's surface cooled and cyanobacteria evolved, which of the following gases was released
into the atmosphere?
I need help with this pls is for today!!!!
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