21-25 please help me it’s due tonight

Environmental science are unconsidered with methods to preserve natural resourcesa. trueb. false

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone