About 70 percent of all tornadoes in the United States develop from ____
a. May to June
b. March to July
c. March to May
d. April to August
e. April to June
ANSWER: b
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Suzie throws a ball at an upward angle. Ignoring air resistance, which component of velocity changes with time?
A. The vertical component. B. The horizontal component. C. Both change. D. none of the above
In ________, carbohydrates are broken down into CO2 and water when they combine with atmospheric oxygen
A) transpiration B) evaporation C) respiration D) carbonation E) evapotranspiration
If the temperature remains the same but the wind speed increases, the wind chill index will
A) decrease. B) increase. C) stay the same.
Which of the following is not an adverse consequence of de forestation?
A. Decreased plant and animal life B. Decreased use of resources per capita C. Increased landslide activity D. Increased soil erosion