QUESTION: 153

All types of plant life anchor the soil and absorb much water and, thus, may lessen the effects of flooding at certain times of the year.
Which of the following would reduce flooding conditions?

a large amount of rainfall in a short period of time
the accumulation of snow during the winter
planting more trees upstream
building parking lots on farm land
the construction of more bridges

Answer(s): C

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A tsunami is an unusually large ocean wave, which is sometimes formed by earthquakes. The height of a tsunami increases as it approaches shore. In the open ocean, tsunamis can travel at 300 to 400 miles per hour.
Based on this information, which statement must be true?

Tsunamis have killed millions of people in this century.
The height of a tsunami located 100 miles offshore is low.
Tsunamis are sometimes found in small lakes.
Tsunamis travel at 100 miles per hour.
There are no known causes of tsunamis.

Answer(s): B

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QUESTION: 155

Temperature is a measure of the average kinetic energy (motion) of individual particles in a substance. Thermal energy is the total combined energy of all the particles. When comparing samples of the same substance, the total thermal energy of the sample depends on its temperature and mass.
Cheryl fills five containers with different amounts of the same substance as shown in the diagram below. The contents of all five containers are kept at the same 50° Celsius temperature.

Based on the information and diagram, which vial has the greatest concentration of salt?

Answer(s): E

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QUESTION: 156

Juan is concerned about the amount of cholesterol in his diet; a person's circulatory system can clog with this fatty material, and this blockage could cause a stroke or heart attack.
Which of the following foods would contribute the most to a buildup of cholesterol?

butter
fish
spinach
bread
lean red meat

Answer(s): A

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Free GED SCIENCE Exam Braindumps (page: 39)

QUESTION: 153

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QUESTION: 156