Satellites can detect ocean color by taking advantage of the fact that chlorophyll absorbs ________.
A. green and blue light
B. blue and green light
C. blue and red light
D. radioactivity
E. red and green light
Answer: C
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________ are precipitated as a result of inorganic processes.
A. Calcic sandstones B. Fossiliferous limestones C. Chalks D. Coals E. Oolitic limestones
During the Archean, how long was the length of a day on Earth?
A)36 hours B)10 hours C)The same as the length of a day on modern Earth D)The same as in the present but with no sunlight, i.e., all darkness E)The same as in the present but there no darkness, i.e., all daylight
Agricultural fields that must constantly be irrigated to sustain a crop especially in semi-arid regions like the American southwest will eventually
A) produce sinkholes. B) lose most of their minerals and salts. C) accumulate toxic levels of salts from evaporation. D) produce soils that will not hold water, leading to desertification.
Which of the following best matches the description?Movement out of an area that was once one's place of residence.
A. density-dependent limiting factor B. age distribution C. carrying capacity D. density-independent factor E. population density F. stable equilibrium phase G. exponential growth phase H. immigration I. lag phase J. K-strategist K. emigration L. dispersal M. environmental resistance N. death phase O. biotic potential P. r-strategist