Which of the following is true of methane?
a. It is a greenhouse gas.
b. It is produced by rice paddies.
c. It is produced naturally by wetlands and termites.
d. All of these answers are correct.
e. It is a greenhouse gas and it is produced by rice paddies only.
D
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How does a catastrophe differ from a disaster?
A) damages from a catastrophe are of such a magnitude to require a long recovery period B) a disaster is typically much worse than a catastrophe C) a catastrophe involves loss of life, while a disaster does not D) a disaster occurs across a much greater geographic area than does a catastrophe
Which of the following is NOT an environmental factor limiting population size?
A. space B. biotic potential C. disease D. predation
How does snow vary with temperature?
A) Snow has a uniform moisture content, but cold snow consists of larger crystals. B) Warm snow is powdery and light, while cold snow is moist. C) Snow has a uniform moisture content, but warm snow consists of larger crystals. D) Cold snow is powdery and light, while warm snow is moist. E) Warm snow is often called sleet because it is mixed with rain, but cold snow is more like hail with very large solid ice crystals.
The point where a fault first ruptures underground is known as the epicenter.
Answer the following statement true (T) or false (F)