The amount of water needed to produce the amount of beef in one single hamburger (most of which is used to grow the grain to feed cattle) is approximately
a. the same volume as the hamburger is
b. 10 gallons
c. 16 gallons
d. 10 bathtubs full of water
e. 16 bathtubs full of water
E
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The present-day tilt of Earth's axis of rotation is 23.5°. What would be a result of more tilt, as shown here?
A) High latitudes would receive less direct sunlight during the summer, causing cooler temperatures
B) A decrease in glaciers
C) A decrease in the effects of the seasons
D) All of these are correct.
Which of the following processes could result in a felsic magma?
a. partial melting of an intermediate-composition source b. partial melting of continental crust c. formation and settling of mafic crystals in an intermediate magma d. all of these
Recycling materials such as steel and other metals can help industries save energy and money.
Answer the following statement true (T) or false (F)
Particles of sand, gravels, and shells that move along the shore in a process called
A) beach drift. B) longshore stacking. C) wave cutting. D) breaking. E) translation effect.