Trees that have taken on a low, twisted form to minimize their wind exposure in the harsh conditions near the limit of tree growth are referred to as ____
a. krummholz
b. bergmann
c. slope aspect
d. epiphytes
e. pioneer communities
a
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According to WHO (World Health Organization) and World Bank experts, indoor air pollution is
a. the world's most serious air pollution problem b. the world's least serious air pollution problem c. a serious problem in poor countries, but no problem in affluent countries d. more than one of these e. none of these answers
Judge the following sentence according to the criteria given below: The modified Mercalli scale is
better than the Richter magnitude scale in comparing earthquakes from widely separated geographical areas BECAUSE seismic intensity is a function of the energy released, construction practices, and local geology. a. The assertion and the reason are both correct, and the reason is valid. b. The assertion and the reason are both correct, but the reason is invalid. c. The assertion is correct, but the reason is incorrect. d. The assertion is incorrect, but the reason is correct. e. Both the assertion and the reason are incorrect.
As water cools from room temperature to 4°C (39°F), it ________ and its density ________
A) contracts; increases B) contracts; decreases C) expands; increases D) expands; decreases
List the eight essential changes in the way people perceive and use their environments necessary to meet sustainable development