Which of the following illustrate the liquidation of ecosystem capital in a developing country?
A) Increasing agricultural output to export wheat
B) Allowing bridges and roads to degrade without repair
C) Expanding logging of hardwood forests for export
D) All of the above
D
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Which of the following actions should you avoid if you want to decrease the severity of flooding?
A) planting trees B) converting agricultural fields to residential areas C) converting meadows into agricultural areas D) installing green roofs E) using permeable pavers
Which of the following products result from the action of lipases on lipids?
A) fatty acids B) glycerol C) monoglycerides D) all of these
Which of the following characteristics of Earth's relationship to the Sun explains the existence of Earth's seasons? Choose all that apply.
A) Earth orbits around the Sun, completing one orbit each year. B) Earth has a satellite called the Moon, which rotates around Earth. C) Earth's axis is tilted relative to its orbital plane. D) Earth's axis always points in the same direction relative to the stars. E) Earth spins on its axis, completing one rotation each day
The oldest rocks that have been dated by radioactivity are approximately
A. 4 billion years old. B. 2 million years old. C. 200 million years old. D. 10 billion years old.