What do atoms form when they bond chemically?
a. atomb. mixturec. solutiond. molecules

Apart of an ecosystem that can restrict the growth of a population is referred to as

In the water cycle , when does water undergo a chemical change

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