Answer:
The GR is expressed in almost every cell in the body and regulates genes controlling the development, metabolism, and immune response.
Explanation:
They use C, thermal heat. This is because the vents use heat from the earth and it warms up the organisms that are very deep in the ocean. The reason they do not use sunlight is because they are so deep down in the ocean that sunlight will not reach them.
<span>Astronomy, geology, oceanography, and meteorology are the four main branches of earth science.
Hope this helped ☺</span>
