Itook a screen shot the q and a is down there

What is an additional type of erosion found at the coast? what does it mean?

If a volcano’s magma is high in silica, the volcano will probably a. erupt quietly. b. remain dormant. c. erupt explosively. d. produce dark-colored lava.

Ron is moving to oceania because his mining company recently opened a new operation there. to which of the following islands is ron most likely going? a. papua new guinea b. bikini atoll c. tahiti d. palmyra atoll