Which statements accurately describe the characteristics of the cell membrane?

If this is the question on edge2020 the correct answers are:

-The cell membrane’s protein channels only let certain molecules pass through.

-The cell membrane has protein channels that are partly inside and partly outside the cell.        

-   The cell membrane is a double layer of phosphate molecules and lipids.

Explanation:

I HOPE THIS HELPS!!

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the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers