A theory is an explanation based on observations and data.

True

False

When glaciers melt, they leave ridges of rock, gravel, sand, and clay called

Are there more faults along older rocks than younger rocks.

Which of the following describes a reason why it is important for humans to protect and maintain water resources? (choose all that are correct) A. Humans use water to raise livestock to use for food and other products. B.

3. If a clayey soil has more water content than a sandy soil, is it possible to determine direction of water flow? Why and why not?

If you see the north star what is your longitude

An isthmus is the same as an island group - it's completely surrounded by water on all sides.

How are the amazon and mississippi similair

Organic material porvidrd nitrogen for plants. Which soil component contributes the most nitrogen to plants?

In general, in which direction did the black death spread during the 14th century?

How do icebergs contribute to deep ocean-basin sediments