A population would be expected to grow if ________
A) immigration increased and deaths and emigration decreased
B) immigration and emigration increased by the same number of organisms
C) births decreased by 1% and emigration increased by 8%
D) emigration and death rates stayed the same and immigration decreased
A
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Since the____________________of 1970, emissions of most pollutants have fallen off substantially, with lead showing the greatest reduction, primarily due to the elimination of leaded gasoline
Fill in the blank with correct word.
The loss of biodiversity most severely affects
A) developed nations of the world. B) the wealthiest people in the world. C) the poorest people in developing nations. D) the production of food in the developed world.
Diurnal tides are more prevalent at middle latitudes when the tide-raising bodies are ________.
A. 180 degrees to each other B. 90 degrees to each other C. at high declination D. at low declination E. in line with each other
Which of the following is NOT a consideration when making a weather forecast?
A) cloud cover B) humidity C) nearby seismic activity D) updrafts and downdrafts