Answer
Answer:
Rivers often start from the mountain streams and contain high amounts of oxygen. Rivers and streams grow larger as these waters merge. Rivers pick up sediments from the land as they flow. Lakes support many varieties of organisms, including plants in shallow,
A relation of a substance's mass to its volume.
Density = Mass / Volume
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Your answer would be to stop gaining weight. Hope this helps.
Plant Kingdom is the answer.
Constructive forces build mountains and hills, and are caused by convergent plate boundaries