The 41,000 year variation in the tilt of Earth's axis is called the ____
a. precession cycle
b. eccentricity cycle
c. obliquity cycle
d. solar cycle
e. glacial cycle
c
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Even though the concept of globalization has long existed, use of the word globalization did not become commonplace until:
A) the 1990s. B) the 1980s. C) the 1970s. D) the 2000s. E) the word globalization has always been commonplace.
The area near the equator where the three-cell model of the northern hemisphere interfaces with the three-cell model of the southern hemisphere is called the:
A) ITCZ (Inter Tropical Convergence Zone). B) heat equator. C) doldrums. D) all of the above
Bormann and Likens compared the output of two river valleys, one forested and the other clear cut. What were their findings?
A. The deforested valley had higher water flow and a decrease in nutrient loss. B. The forested valley had higher water flow and a decrease in nutrient loss. C. The forested valley had lower water flow and increase in nutrient loss. D. The deforested valley had lower water flow and increase in nutrient loss. E. The deforested valley had higher water flow and increase in nutrient loss.
According to the precautionary principle, when there is substantial preliminary evidence that an activity, technology, or chemical substance can harm humans, other organisms, or the environment, decision makers should take measures to prevent or reduce such harm, rather than waiting for more conclusive scientific evidence.?
Answer the following statement true (T) or false (F)