Precipitation of calcium carbonate in caverns can create:
a. springs.
b. uvalas.
c. sinkholes.
d. stalactites.
e. disappearing streams.
D
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Sustainable development ________
A) is technically impossible to accomplish, since resources would still be used up B) is hypothetically attainable but is beyond our current technologies C) involves using resources to meet today's needs without compromising future availability D) ensures an economy that will decline over time, since our economy hinges on the assumption that resources are finite
The biosphere is best defined as ________
A) all Earth's organisms and the nonliving environment with which they interact B) all living and nonliving parts, including the flow of energy and matter C) all Earth's organisms and their physical and aquatic environment where energy and matter are cycled D) a grouping of plants and animals that interact with one another E) a regional grouping of plants, animals, and abiotic factors
What term applies to all of geologic time prior to the Phanerozoic eon? Why is this span not divided into as many smaller units as the Phanerozoic eon?
What will be an ideal response?
The lower atmosphere is warmed from the surface upward through longwave radiation from Earth, ____________________, and ____________________
Fill in the blank with correct word.