5. The environment has the greatest effect on the expression of genes when
which of the following occurs?

what? are the statements?

c is the answer. hope this

the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question

answer; cnidarians;