Answer:
b concentration insid e and out side the cell
A water reservoir is a natural or artificial lake in which water is stored for human use. The only process that can take water from the atmosphere (vapour) to a water reservoir is
precipitation.
Precipitation is the process in which small water particles collide and join, making bigger water drops that will eventually be too heavy and fall to the ground in a process otherwise known as rain (if the water is in liquid state).
Answer:
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Commensalism because commensalism is when one organism benefits from the interaction, and the other is unaffected.
The planet would be Neptune and Earth's average time is 365.2 days aka a full year (1 year).