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The diagram is a model of one way that materials move
across the cell membrane. Oxygen molecules are
represented by two red circles. Carbon dioxide molecules
are represented by a gray circle with two red circles
attached. The left-hand side of the diagram shows the
beginning concentrations of the two types of molecules.
The right-hand side shows how the molecules have moved
over time.
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Which sentence best explains the movement of the oxygen molecules over
time?​

The diagram is a model of one way that materials moveacross the cell membrane Oxygen molecules arerepresented by two red circles Carbon dioxide moleculesare rep class=

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mosfara5478

Answer:

they move to an area with lower concentration.

Explanation:

Air particles always travel from an area where they are high in concentration to an area where they are low in concentration. as we can see that on the left hand side the numbers of o2 and co2 molecules are balanced.

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