Underground caverns and porous layers of sand, gravel or rock in which groundwater is stored are called:

Which of the following was the most important development that caused people to shift from hunter-gather societies to agricultural settlements more than 5,000 years ago?

An astronomer measures the light coming from two stars, star a and star b. they appear to be equally bright. from other measurements, she knows that star b is actually twice as far away as star a. what can she conclude?

Question: Why are crude oil reserve estimates somewhat unreliable. Answers: 1. All reserve estimates involve uncertainty due to the interpretation of geologic 2. Some countries falsify data for political reasons. 3.

What is the shape of the onion plant cell

Which term refers to all areas of Earth where life exists? biosphere biome community ecosystem

Which phrases/sentences are true for colors found on the color wheel?

What does it mean for a livestock animal to be "sound"?

The Pacific Ring of Fire does not create this phenomenon? Group of answer choices Tsunamis Volcanoes Earthquakes Hurricanes

Which of the following are types of thematic maps? Check all that apply.

Which is the most accurate method of showing the entire surface of the earth? A. Mercator projection B. globe C. global gores D. Robinson projection