The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
Answer:
D) The smoke would settle around cities, reducing visibility.
<span>Galvanometer guess.....</span>
Answer:
Energy:
The rate of movement per unit time of an object relative to all the other objects in the universe.
Generally we have it relative to the road on earth. For instants, you could travel 80 miles per hour relative to the road.
