Its a scientist thing I don't know but it has to do with something in your body
Answer:
Today, many millions of people live close to volcanoes for this very reason. People live close to volcanoes because Geothermal energy can be harnessed by using the steam from underground which has been heated by the Earth's magma. ... Apart from the volcano itself, hot springs and geysers can also bring in the tourists.
Enzymes have different jobs around the body that are very vital to help the body live. For example they help with digestion, aiding or healing the body, and metabolism. But the main job of the enzyme is to "aid the body" what I mean is if you get cut and you start to bleed it's the enzyme job to get to the wound and help heal it and stop the bleeding. Without the enzyme the body wouldn't be able to last forever.
Hope this helps!
Answer:
Well help them and always support them
I believe it is D. the genetic variations are in the phenotype of the organism. The reason why I say this is because the phenotype is the physically noticeable characteristics in an organism, this allows them to mutate differently and only the ones who are fit enough and have the best phenotypes will survive.