Why would a pile of gravel weather faster than a single solid boulder?
What will be an ideal response?
Answer: The individual pieces of gravel have more exposed surface area and therefore more places where weathering can attack.
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What will happen to the proportion of females to males(i.e., number of females / number of males) as the baby boomer population ages from 1985-2035? Hint: refer to Figure 2.12.
A. increase B. decrease C. stay the same D. impossible to calculate from available data
Which of the following should not be flushed down the drain in a home with a septic tank?
A) Human toilet wastes B) Vegetable fragments, organic detergents C) Toilet paper and other paper fragments D) Large amounts of bleach, feminine hygiene products, diapers, grease, and condoms
Glacial ice can form during the duration of a single winter season in most glacial areas
Indicate whether the statement is true or false
Should cities in dry areas such as Las Vegas be allowed to increase their populations, so that they will require more water?
a. Yes; it’s not the American way to limit what cities can do. b. Yes, but the people will have to pay the true cost of water. c. Yes, but only if the people are required to use drastic conservation measures. d. No; enough is enough, and cities in arid environments simply cannot continue growing.