The country of Belize depends on lobster for a major portion of its income, along with fishing and tourism
Over the past 30 years the average size of an individual lobster has dropped, even as increasing numbers of Belizeans buy boats, build lobster traps, and enter the industry. This is an example of ________.
A) overharvesting
B) the results of an invasive species
C) habitat alteration
D) the effects of pollution
E) the problems with monoculture
A
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Which of the following statements about underground contaminants is false?
a. Degradable organic wastes do not decompose as rapidly underground as on the surface. b. There is little dissolved oxygen to aid in degradation of wastes. c. Waste products are diluted and dispersed quickly in underground aquifers. d. It can take hundreds to thousands of years for contaminated groundwater to cleanse itself of degradable wastes. e. In some coastal areas, groundwater has been contaminated by saltwater intrusion.
The hot spring deposits at Mammoth Hot Springs, Yellowstone National Park, are travertine. What rock probably lies somewhere beneath the hot springs?
a.) limestone b.) rhyolite c.) quartzite d.) shale
A batholith forms from
A) intrusive igneous rock. B) extrusive igneous rock. C) metamorphic rock. D) sediment accumulation in a depression.
Which of the following materials will react with an acid to produce a gas?
A) NaOH(aq) B) Na2CO3(aq) C) both a and b D) neither a nor b