A small thunderstorm cloud blowing dust at the ground could warn of a severe hazard to aircraft. Why?
A) This could be the first indication of a tornado.
B) This indicates that it is likely that hail will soon begin to fall.
C) This could indicate an intense downdraft or microburst.
D) The airplane could be struck by lightning.
C
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The Oceania / Pacific region is comprised of thousands of islands. These islands are classified as high and low islands based on their latitude. High islands are near the poles and low islands are near the equator
Indicate whether the statement is true or false
Which of the following types of population curves would best represent a group of elephants that enter a new, open habitat and become a stable part of that ecosystem?
A. Norm-shaped curve B. J-shaped curve C. S-shaped curve D. Cyclic oscillation-shaped curve E. Survivorship curve
Using the IPAT or ImPACT formula, which of the following would most likely reduce the environmental impact of a society?
A) Construction of industrial plants by wealthy nations to draw on cheaper labor B) The discovery of large reserves of fossil fuels within a nation's borders C) Increased use of electricity and natural gas by most members of a society D) Greater use of birth control by most members of a society
Which of the following statements describes what would happen if the amount of energy lost each year by the Earth to space were not approximately equal to that received?
A. The sun's output would change. B. The length of the year would change. C. The atmosphere's average temperature would change. D. The mass of the atmosphere would change.