How large would an asteroid have to be to generate an impact crater the size of the Chicxulub crater?
A. 2 kilometers in diameter
B. 200 kilometers in diameter
C. 20 kilometers in diameter
Answer: C
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How can consumption be reduced while maintaining one's quality of life?
What will be an ideal response?
On a vacation, you spend much of the day walking along the water's edge on an ocean beach soaking up the sun. The place where you are walking is a good example of a(n)
A) landscape. B) ecotone. C) biome. D) population.
Without regular cleanups, the tendency of a home or dorm room to become increasingly messy generally reflects ________
A) the law of energy conservation B) the conversion of kinetic energy into potential energy C) the loss of heat in any energy conversion D) an increase in entropy
The relationship between pH and the oxygen carrying ability of hemoglobin is known as which of the following?
A) allosterism B) the Bohr effect C) Dalton's Law D) Perutz's Law