Globally, approximately how many people are undernourished?
A) 1 billion
B) 800 thousand
C) 1 million
D) 1 trillion
E) 800 million
Answer: E
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A large difference in temperature between a wet bulb and a dry bulb on a sling psychrometer indicates
A) that the air is cooling by adiabatic expansion. B) that the relative humidity is high. C) that substantial evaporation is occurring from the wet bulb.
In 1991, scientist James Estes and his team observed a new trend of orcas preying on sea otters. Orcas normally prey on great whales, but those populations had been dramatically reduced by industrial whaling. Estes hypothesized that the decrease in the great whale population had caused orcas to turn to smaller prey -- sea otters. If this hypothesis is correct, predict what might happen to sea otter numbers if great whale population numbers increase.
a. Sea otter populations would decrease. b. Sea otter populations would increase. c. Sea otter populations would stay the same. d. There is not enough information.
The level of environmental degradation and destruction of terrestrial systems has leveled off.
Answer the following statement true (T) or false (F)
Explain why air temperature measurements must be taken in the shade
What will be an ideal response?