Please help!!! Multiple choice problem.

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian