Describe the roles of the soil organisms in the carbon cycle​

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

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?

Some substances but not other can cross the (blank) membrane of a cell