Hydrogen can be created by blank water. if the activation energy is reduced, hydrogen can be produced with a renewable energy source. this renewable energy source is blank.

Construct an explanation about the function of mitosis for multicellular organisms

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 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