Which of the following describes a role that satellites cannot do?
A. They provide information about surface water temperatures.
B. They provide information about the Earth-atmosphere energy balance.
C. They monitor the percolation of water in soils.
D. They monitor the amount of snow cover.
Answer: C
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If the following generic atom were to undergo ionization, what would the most likely product be?
A. ?2 B. ?3 C. +1 D. +4 E. would probably not ionize
Rocks are much stronger in compression than they are in tension
Indicate whether the statement is true or false
Most active swimming fish use vertical fins ________
A) for swim propulsion B) primarily as stabilizers C) to hold onto prey D) to increase the surface area E) to turn, brake, and balance
Carl and Don run separate chemical fertilizer manufacturing companies in the same industrial park. Both pollute the river flowing through the industrial park with debris and waste from their manufacturing processes. In the table below, the first row shows the current level of debris and waste each produces that makes its way into the river. The information in the table also indicates how much it would cost each manufacturer to reduce its pollution by additional increments of 10 pounds. If the government imposes a pollution tax of $7 for each 10 pounds of debris, total pollution will fall by ____ pounds, at a total cost of ____.
A. 40; $28 B. 40; $17 C. 40; $22 D. 60; $30