The last ice age ended about 10,000 years ago.

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


True

Environmental & Atmospheric Sciences

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When you drop an object, it accelerates downward at a rate of 10 m/s2. If you instead throw it downward, its acceleration (after leaving your hand and with no air resistance) will be

A. exactly zero. B. 10 m/s2. C. less than 10 m/s2. D. greater than 10 m/s2.

Environmental & Atmospheric Sciences

Why is methane gas the least abundant gas in magmas?

A) Methane is only found deep within the earth. B) Methane is repelled by heat. C) Water vapor, carbon dioxide, and odorous sulfur compounds are the primary gases. D) Methane turns to liquid in the presence of magma.

Environmental & Atmospheric Sciences

Simple pumping gets only about 30% of the oil in a reservoir rock out of the ground. To increase the pumping/recovery rate, what kind of secondary recovery technique can be used?

a. Force the steam into the ground nearby (the steam heats the oil in the ground, making it less viscous) b. Use new drill bits c. Hydrofracturing (or fracking) d. Use a more powerful pump e. Both a and c

Environmental & Atmospheric Sciences

The Great Lakes of the eastern United States and Canada occupy former river valleys that were vastly enlarged and deepened by glacial erosion

a. True
b. False
Indicate whether the statement is true or false

Environmental & Atmospheric Sciences