If undisturbed by human activities, the greenhouse effect is a normal process that ensures enough heat is trapped on Earth to support life.
O True
O False

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

What is the next step in muscle contraction after the actin changes shape? (apex)

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has