Question 5 (Mandatory) (3 points)

What effect can a very large volcanic eruption have on earth's climate?
Question 5 options:

It will cool the earth's surface as more snow will fall with the presence of more condensation nuclei.

It will warm the earth's surface as more heat is trapped by the dust particles.

It will cool the earth's surface as radiation from the sun is blocked from entering the atmosphere.

It will warm the earth's surface as more lava is released by the volcanic eruption.
Question 6 (Mandatory) (3 points)

Which of these is NOT a form of air pollution?
Question 6 options:

carbon dioxide

ozone at ground level

ash from a volcano

VOCs from cleaning supplies
Question 7 (Mandatory) (3 points)

The term mass wasting describes
Question 7 options:

glacial movement of boulders.

islands sinking into the ocean.

the process by which an area becomes a desert.

down slope movement of a landslide.