The answer would be Biology and Chemistry. Although they do use a little bit of physics, it's mostly chemistry and biology.
Answer:
B
Explanation:
a sinkhole is the answer. I got it on edge 2020
The amount of gravitational pull helps determine the gases that can form an atmosphere around a large body in space. So the mass of an object also determines the density of these gases. Note that several factors come into effect for a large object to sustain their gases if present.
Unicellular organisms excrete waste by a contractile vacuole. A vacuole is membrane-enveloped organelle in a cell that is found in lots of microorganism. It expands, filling with water then contracts, removing all of its contents to the exterior of the cell.
It rains, water moves and erodes the land and creates valleys and rivers.
