Which letter indicates a cell structure that directly controls the movement of molecules
into and out of the cell?
A
B
с
D
(1) A
(2) B
(3) C
(4) D

Which describes how weathering and erosion are different? weathering is caused by water. erosion is caused by wind and ice. erosion transports sediments. weathering is a natural process.

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called

How water is moving through the ecosystem ?