Scientists believe the inner core of the earth is...

A. Liquid metal

B. Somewhat melted rock

C. Solid iron and nickel

Answers

Answer 1
The answer is C. solid iron and nickel

Related Questions

How might volcanic eruptions change the flow of energy on earth?

Answers

Answer:

It causes global warming due to emission of carbondioxide gas.

Explanation:

Volcanic eruptions change the flow of energy on earth by emitting gases such as carbondioxide and sulfur dioxide gases. Volcanic gases like sulfur dioxide is responsible for global cooling by reflecting solar radiation back to the space, while on the other hand, carbon dioxide emitted from volcanoes, has the ability to promote global warming by blocking solar radiation. If the amount of carbondioxide gas is higher as compared to sulfur dioxide gas so global warming occurs.

Which of the following would require the use of recombinant DNA?
1. Crossing two apple trees to create better apples.
2. Breeding a donkey and a horse to make a mule.
3. Engineering bacteria that produce human insulin.
4. Creating a polyploid banana tree.

Answers

The answer is 3


For example, insulin is regularly produced by means of recombinant DNA within bacteria. A human insulin gene is introduced into a plasmid, which is then introduced to a bacterial cell. The bacteria will then use its cellular machinery to produce the protein insulin, which can be collected and distributed to patients

How does the structure of the
different seeds allow them to move and to grow into a new plant?

Please help it’s due today!

Answers

Answer:

Because plants cannot walk around and take their seeds to other places, they have developed other methods to disperse (move) their seeds. The most common methods are wind, water, animals, explosion and fire. Dandelion seeds float away in the wind.

Explanation:

What role did the detergent play when added to the strawberry solution?

Answers

Answer:

when added the salt and detergent mixture to the smashed strawberries, the detergent helped lyse (pop open) the strawberry cells, releasing the DNA strands could gather and clump,making it easier for you to see them.

help, please. this is for a friend to help me with.

Answers

Explanation:

I hope this helpppppppppppp

Answer:

14. To cause cancer, proto-oncogenes require 2 allele(s) to be mutated and therefore are considered recessive. The mutation results in a gain of function.

15. To cause cancer, tumor suppressor genes require 2 allele(s) to be mutated and therefore are recessive. The mutation results in a loss of function.

Rapid reproduction is an advantage of which process?
A. gamete formation
B. sexual reproduction
C. asexual reproduction
D. chromosome duplication

Answers

Answer:

I believe the correct answer is asexual reproduction because they can reproduce fast, and with multiple offspring. Hope this helped you!

I believe it is asexual reproduction

The three states of matter are modeled in the heating curve seen here. Identify ALL of the changes that must take place for a substance to change state, from a solid to a gas
A) Pressure increases
B) Temperature increases.
C) Particles spread apart.
D)Kinetic energy increases.
E) Particle motion increases.

Answers

Answer: B, C, D, E

Explanation:

In a generalised manner B, C, D and E takes place for a substance to change state, from a solid to a gas.

What is phase transition?

The physical process of changing a medium's state from one to another is known as a phase transition. The phrase is frequently used to describe transitions between the three fundamental states of matter—solid, liquid, and gas—and, in rare instances, plasma.

Heat must be used to provide energy for molecules to go through phase change. The intermolecular connections that keep the substance in its current state are broken using this energy. When the element receives enough energy, the phase change will occur.

Without going through the liquid state, sublimation is the process by which a substance moves straight from the solid to the gas state.

Learn more about phase transition, here:

https://brainly.com/question/3255181

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Where would you expect a maritime tropical air mass to originate?

Answers

Answer:

Maritime tropical air masses originate over the warm waters of the tropics and Gulf of Mexico, where heat and moisture are transferred to the overlying air from the waters below.

Explanation:


Which is the best evidence that continental plates continue to move?
A recurring weather patterns
B predictable cycles of solar events
C glacial movement and calving
D volcanic activity along the ring of fire

Answers

D.volcanic activity along the ring of fire

10 points
One of Earth's characteristics is that it experiences seasons. Higher
temperatures result in summer and lower temperatures result in winter.
Why does the Earth experience seasons? *
A. Temperatures on Earth vary from one location to another, causing seasons.
B. Cloud cover is heavier in the winter, blocking radiation from the Sun and creating
seasons
C. As Earth revolves around the Sun, the hemisphere that is tilted toward the Sun
receives more direct sunlight, causing seasons
D. Earth's orbit around the Sun is elliptical, and Earth is farther from the Sun in winter,
resulting in seasons
Nas

Answers

Answer:

C.

Explanation:

earth's orbit around the sun is an elliptical orbit that requires about 365 1/4 days to complete. When Earth's axis points towards the sun it is summer to that hemisphere

Answer:c

Explanation:

. The small fish are not affected by the pesticide, but death occurs in the bird, at the top of the food chain. Why do you think that happens?

Answers


Small fish absorb minute amounts of pesticides.

The birds of prey consume many fish to satisfy their dietary needs. The pesticides accumulate and concentrate in the bird, continued exposure overwhelm the predator.

A person with cystic fibrosis would have which genotype?

Answers

Cystic fibrosis (CF) is caused by mutations in the CF transmembrane conductance regulator (CFTR) gene which encodes a protein expressed in the apical membrane of exocrine epithelial cells.


What two components are often found as part of
an enzyme?

Answers

Answer:

The two components which are often found as part of an enzyme are Active site and protein. Proteins are referred to as macromolecules or macromolecules which consists of more or one of a chain of amino acid residue. They do perform an array of functions which are within organisms.

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Should the thruster fire exert force in the same direction or opposite direction to bring the Pod to a stop? Explain.

Answers

Answer: Explain the claim : Firing the thrusters would have caused the pod to move in the opposite direction. The pod would have had to have a lighter mass meaning a smaller amount of force would have had to be exerted onto the pod making it move in the opposite direction.

Explanation:

present and debate current social and ethical implications of biotechnology and genetic engineering

Answers

Answer:

These concerns range from ethical issues to lack of knowledge on the effects genetic engineering may have. One major concern is that once an altered gene is placed in an organism, the process cannot be reversed. Public reaction to the use of rDNA in genetic engineering has been mixed.

I don't know if that's right

What materials are needed for photosynthesis to occur?

Answers

Answer:

To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight

Explanation:

I hope this helps :)

The product of an object's mass, how high it is, and the acceleration of gravity of the planet it's on define which term
A. Potential Energy
B. Work
C. Power
D. Kinetic Energy

Answers

Answer:

kinetic energy

Explanation:

D

Hope it help you


......

What is the temperature of Jupiters surface?

Answers

Answer:

minus 234 degrees Fahrenheit  or minus 145 degrees Celsius

Explanation:

Question 2 of 10
Which of the following countries produces the most greenhouse gases?
A. Egypt
B. Greenland
C. France
D. United States

Answers

Answer:

The answer is D. United States

Explanation:

CAN SOMEONE HELP ME ON THIS BIOLOGY QUESTION OR LIKE GIVE THE LINK TO THE ANSWERS PLZ

Answers

I happen to just have done this but I only have the amino acid sequence and mRNA sequence hope it’s of some help here are the answers:

1. mRNA sequence: A U G A A C G C U G C C A G U A U G
Amino acid sequence: methionine asparagine alanine alanine serine methionine

2. mRNA sequence: AUG AAC CCU GCC AGU AUG
Amino acid sequence: methionine asparagine proline alanine serine methionine

3. mRNA sequence: AUG AAC GCC UGC CAG UAU G
Amino acid sequence: methionine aspargine alanine cysteine glutamine tyrosine then I believe a stop codon for G

can a baby that has blood type AB have one parent that is type O?​

Answers

Answer:Yes they can. An AB parent can indeed sometimes have an O child. But it is by no means common. In fact it would be fair to say that it is exceedingly rare.

Yes.......................

Question 1 of 10
What is a major drawback of using fossil fuels?
A. They release carbon dioxide.
B. They destroy greenhouse gases.
O c. They generate electricity.
O D. They cool the planet.

Answers

Answer:

A.) They release carbon dioxide!! Why? Carbon dioxide is a greenhouse gas, and a lot of it is released by burning fossil fuels. This warms the planet and triggers climate change. I just did this a p e x biology quiz, so I would know. I got it correct :D.

What foods from each food group would provide a balanced breakfast


HSLSODIDBDLDO HELP

Answers

Answer:

A well-balanced breakfast includes foods from at least three out of the five food groups. Whole grain breads and cereals; low-fat dairy products, and fruit are typical breakfast choices. Choosing a high-fiber cereal with low-fat milk or yogurt for breakfast has been linked to improved weight or weight loss.

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Answer:

Whole grains, low-fat dairy products, fruit, lean protein

Explanation:

Whole Grain- Cereal, toast, whole grain waffles

Dairy Products- Milk, yogurt

Fruit- Apple, grapes, oranges, etc.

Lean Proteins- Eggs or nuts

Which statement describes how maps represent Earth's surface? They have a three-dimensional surface. They use symbols to represent land features. They all use the same scale to show distance. They accurately represent the relative shape of Earth.

Answers

Answer:

B. They use symbols to represent land features.

Explanation:

In Geography, topography can be defined as the shape and structure of the Earth surface. Thus, a topographic map is used to graphically describe this features.

A topographic map can be defined as an accurate and detailed graphical (two-dimensional) description, representation or records of both natural and man-made (artificial) features on the surface of the Earth.

A topographic map uses contour lines to represent points of equal elevation above sea level such as mountains, hills, plains, valley etc.

The two-dimensional model of a topographic map graphically represents the height of a mount and the steepness of a slope through the use of contour lines.

Contours can be defined imaginary lines used for connecting locations that are having similar elevations on the Earth's surface. These contour lines are typically used for modeling the three-dimensional shape of the Earth surface in a topographic map.

Hence, the statement which best describes how maps represent Earth's surface is that, they use symbols to represent land features.

Answer:

B. They use symbols to represent land features.

Explanation:

Radioactive isotopes are used in medicine, power plants, and as tracers.
Please select the best answer from the choices provided

Answers

Answer:

the answer is true

Explanation: i got it right on edge.

Answer:

true

Explanation:

It would be best to use a collecting net to catch which of the following insects?
A. Ground Beetles
B. Gnats
C. Ants
D. Grasshoppers

Answers

Answer:

d. grasshoppers

Explanation: ground beetles dont fly or anything like that. gnats are to small for a net. ants are also to small for that

1) In pea plants, purple flowers are dominant to white flowers. If two white flowered plants are crossed,
what percentage of the plants will be purple?
Explain your reasoning using a punnett square and a short written explanation.

Answers

Answer:

all white

If students are stuck on this one, advise them to make a "key" to help them sort it out.

PP = purple, Pp = purple, pp = white

Explanation:

If we were allowed to fish in these waters, how would it affect the food chain? The dolphins in particula

Answers

Answer:

Things that would/could affect the dolphins:

Driving away food sourcesOverfishing would cause a lack of food sourcesOverfishing could make them along with other species compete for food/survivalAccidents involving dolphins with boats and fishing equipment

Explanation:

Hopefully I helped. IF SO CAN I HAVE BRANLIEST.

What is the number one food crop that isn’t harvested by combines?

Answers

Answer:

Vanilla

Explanation:

Sometimes that manual labor shows up in the price of the food; sometimes it doesn't ... We thought there would be an easy answer to that, but there isn't. ... This spice is among the most expensive in the world; the biggest producers are Italy, Iran and Spain ... Those forces combine to lead to the labor issues.

When a continent is closer to the equator the climate is

Answers

The climate is Tropical.
Hope this helps :)

Answer:

The closer a continent is to the equator, the warmer it will be.

Explanation:

The middle of the earth is its largest point, and is therefore closer to the sun than any other area. It is also in more direct sunlight, and has warmer climates.

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