Breakdown of organic matter in the absence of oxygen is this type of decay.
A. aerobic
B. eutrophic
C. biochemical
D. anaerobic
Answer: D
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The form of coal or organic matter fuel with the highest heat and carbon content is
A. anthracite. B. lignite. C. peat. D. bituminous coal. E. shale.
What does Einstein's energy equation (E = mc2) say about the energy that is derived from nuclear fission reactions?
A. The energy is derived from the light that is emitted when the atom splits. B. The energy is proportional to the mass of the atom undergoing fission. C. The energy released is due to the missing mass of the products compared to the mass of the starting materials. D. The energy equation does not apply toward fission, only fusion. E. none of the above
Why are you more likely to get sunburned if you visit a low-latitude location compared to a high-latitude location?
A) Low-latitude locations are closer to the Sun than polar regions. B) Low-latitude locations have a thin atmosphere and low levels of ozone. C) Solar rays strike low-latitude locations most directly. D) Solar rays strike low-latitude locations at an oblique angle.
Symbiosis means
A. Commensalism B. Living together C. A relationship in which both species benefit D. A relationship in which one species benefits and the other does not benefit E. A parasitic relationship