Which is a point mutations and not a frameshifts mutations? mutagen ,insertion ,deletion ,silent

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

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