<span>The cell membrane acts as the gatekeeper of the cell, determining what goes in and out.</span>
Pollution can effect the food chain and the food web In many ways. The first of wich is it can kill off animals. A good example of this is marine life.
Answer:
divergent boundary
A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, earthquakes are common and magma (molten rock) rises from the Earth's mantle to the surface, solidifying to create new oceanic crust.
Explanation:
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D,record observations and measurements.
