How does the absorption of light provide heat energy in the ocean?
A) The addition of light increases the heat capacity of molecules.
B) The light makes water molecules vibrate and then the electromagnetic energy is converted to heat energy.
C) The light energy is absorbed by photosynthetic organisms which convert it to heat energy.
D) None of these choices
B
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Any animal that eats other animals, living or dead, as a source of nutrients is a(n) ____
a. ectotherm b. endotherm c. suspension feeder d. carnivore-scavenger e. herbivore
A sludge digester as part of an urban wastewater treatment facility produces a useful fuel called
A) carbon dioxide. B) ammonia. C) biogas. D) oxygen.
Leaching and the rate of movement of water would be greatest in a soil classified as ________
A) organic B) hypersaline C) clay D) silty E) sandy
At CO levels of 100 ppm or less in the bloodstream
A) carbon monoxide can contribute to acid rain. B) there is no noticeable health effect. C) humans might develop headaches and suffer from impaired vision and judgment. D) the human bloodstream is unaffected.