From a scientific point of view, which of the following is true?
A. Evolution leads to survival of the strongest.
B. Evolution leads to survival of the most valuable.
C. Organisms develop traits because they need them.
D. Fitness is a matter of reproductive success.
E. Evolution follows a plan of nature.
Answer: D
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Which of the following surfaces has the lowest albedo?
A) A – fresh snow
B) B – forests
C) C – orchards
D) D – water with a small zenith
Hindus would use all the following products from cattle except:
A) milk B) yogurt C) steaks D) ghee
Pyrolysis is a way of producing ________ from ________
A) a liquid fuel; bioenergy B) hydroelectric fuel; coal C) pesticides and fertilizers; bioenergy D) biodiesel; limestone E) coal; bioenergy
The longest day of the year in the United States occurs on:
a. June 21 b. March 3 c. November 18 d. December e. September 30