A depression on the surface of the land caused by the collapse of a cave roof is a Blank.

A) valley

B) sinkhole

C) mound

What do geologists use to mark divisions in geologic time

Which of the following statements about Turkey is not true? The legal system is based on European laws. Women in Turkey have very few political or legal rights. Turkey is an almost entirely agricultural nation.

What are the four types of galaxies?

If it is 2:00pm in your city and it is 12:00pm in Greenwich, England, what is your city's approximate longitude? (The answer choices are 15 degrees west, 15 degrees east, 30 degrees west, 30 degrees east, and 45 degrees west.)

Geography of the mountains

Use your knowledge of plate tectonics to explain why the supercontinent of Pangaea could have existed long ago. How did Pangaea break apart, and how were our continents formed? Explain your reasons in at least two to three sentences.

What is Deep-Ocean Exploration and Mining? Explain

Research shows that heavy urban growth causes major changes to:

Why does it get dark at night?

The caucasus mountains are located between which two bodies of water?