Sea otter reintroduction in Alaska has led to
A) extinction of sea urchins
B) increase in kelp forests
C) decrease in kelp forests
D) ecosystem degradation
B
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Which method listed below is NOT an example of secondary recovery methods?
a. grouting b. fluid-mixing c. steam injection d. water injection e. fire flooding
At any given time, only one jet stream can be found in the atmosphere
a. true b. false
Compare and contrast fossil pollen, tree-growth rings, and corals as three proxies for determining paleoclimate
What will be an ideal response?
Which of the following is closely related to transitioning from fossil fuels to newer, cleaner forms of energy?
A) Discovery of new natural gas fields B) Smart grids C) Surface mining of coal D) A battery for every house E) Keeping the traditional energy policies of the United States