Landslides and Forest Fires

Q. Which of the following mostly triggers landslides?

1. Scarcity of rainfall
2. Winds
3. Water
4. Air

Q. "Even though forest fires are considered disasters, they were found to serve a purpose."

What is this purpose?

1. Clear old plant debris and dead trees.
2. To help vegetation thrive.
3. To increase the CO2 levels in atmosphere.
4. To kill insects.

Q. Research has found that forest fires serve to clear old plant debris and dead trees, making way for healthy trees and vegetation to thrive.

1. True
2. False

Q. A collapse of a mass of earth or rock from a mountain or a cliff is called a __________.

1. Earthquake
2. Tsunami
3. Landslide
4. Flood