What dynasty began the construction of the Great Wall?

A) Han
B) Sui
C) Xia
D) Ming
E) Qin


Answer: E

Environmental & Atmospheric Sciences

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Many early textile plants located near streams and rivers for waterpower. What was a common problem with this?

A) flooding B) pollution, particularly when several plants are using the same water source C) Real estate is often expensive along waterfronts, which meant that luxury homes would have to be destroyed to build the factories. D) Factories might be inconveniently far from the market, and streams may dry up in the summer. E) none of the above

Environmental & Atmospheric Sciences

____________________ are artificial lakes impounded behind dams

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

In the following questions, which of them can be related to Geology?

a. Do you live in a region threatened by landslides, volcanoes, earthquakes, or floods? b. Are you worried about the price of energy or about whether there will be a war in an oil supplying country? c. Do you ever wonder about where the copper in your home's wires comes from? d. Have you seen fields of green crops surrounded by desert and wondered where the irrigation water comes from? e. Would you like to buy a dream house on a beach or near a river? f. All of the above

Environmental & Atmospheric Sciences

In what reservoir does water reside for the longest time?

A. the ocean B. deep groundwater C. glaciers D. the biosphere

Environmental & Atmospheric Sciences