Which of the following is the "Environmentalist's Paradox"?
A) As human population decreases, ecosystem health also decreases.
B) As human material and economic prosperity increases, ecosystem health decreases.
C) The more non-renewable resources we use, the more new resources we discover.
D) As biodiversity decreases, ecosystem health increases.
B
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A fictional vision of a more environmentally healthy planet in the future uses which of the following fuels and renewable energy resources?
a. underground heat only b. algae only c. sun and wind only d. flowing water only e. underground heat, algae, sun and wind and flowing water
The corals that proliferated in the Mesozoic oceans were scleractinians and were different than
those of the Paleozoic seas. Indicate whether the statement is true or false.
This photo shows an outcrop on Mars; the image was transmitted to Earth by a robotic rover traveling over the Martian surface
When geologists saw this image, some of them suggested that the rocks could be evidence of flowing water at some point in Martian history. What do you see to support that hypothesis? What process other than flowing water might produce the features visible in the photo? What additional information would you use to distinguish between these two hypotheses? What will be an ideal response?
Glacio-eustatic factors refer to
A) changes in the total amount of water on Earth. B) a steady-state equilibrium in the water system. C) changes in sea level related to the increase or decrease in quantities of ice. D) changes in sea level related to the melting of icebergs.