The Clean Water Act of 1972 is one of the most important pieces of legislation in U. S. history. Separate the issues based on whether the Clean Water Act of 1972 was effective in dealing with them or not.

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation:

yes, because even though a theory has a  lot of evidence to support it, it is not always true