Mound-like structures that represent the remains of photosynthesizing cyanobacteria:a
stromatolites d. greenstone belts
b. black smokers e. cratons
c. back-arc basins
A
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How does carbon enter the atmosphere? What effect does it have on Earth? How does it cycle back for use in biological components?
How are the levels of carbon dioxide linked to the photic and aphotic zones? How does this relate to the temperature of the water?
Which of the following minerals would NOT be likely to occur in rhyolite?
a. plagioclase feldspar b. orthoclase feldspar c. olivine d. hornblende
The greenhouse effect in the atmosphere occurs because
A. Oceans absorb heat, and then release it slowly at night B. Clouds reflect sunlight back into space C. Stratospheric ozone absorbs UV radiation D. CO2, water vapor, methanol, and other gases absorb infrared radiation E. All of these are correct