The Andromeda Galaxy (M31) can be described as


Ans:
a spiral collection of stars, dust, and gas
2 million ly away

Environmental & Atmospheric Sciences

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On the deep seafloor, organisms are widely distributed ________

A) because they have eaten most of their near neighbors B) to avoid predators C) because it is too cold to move and reproduction is slow D) because there is little variation and no photosynthesis

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Emerging shortages of water for drinking and irrigation in many parts of the world is one of the major environmental problems the world will face during this century.

Answer the following statement true (T) or false (F)

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Which silicate mineral has a single-chain structure?

a. pyroxene b. muscovite c. hornblende d. plagioclase feldspar

Environmental & Atmospheric Sciences

The global conveyer belt transports juvenile organisms, mixes nutrients, and distributes gases and

solids. Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences