The Lake Erie ecosystem was affected by humans because human activities
a. extracted resources without replacement.
b. caused global warming.
c. used the water without replacement.
d. disrupted energy flow and the cycling of nutrients.
e. extracted energy without replacement.
D
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Triglycerides are stored primarily in ____ tissue.
A. nervous B. epithelial C. muscular D. adipose E. cardiac
Mercury Emissions by Continent. By weight, coal does not contain much mercury, but we burn a lot of it. Several industries besides coal-fired power plants contribute substantially to atmospheric mercury pollution. Figure 2.13 shows mercury emissions by industry from different regions of the world in 2006. Which industry tops the list of mercury emitters? Which industry is next on the list?
1.Dental amalgam (cremation); Waste incineration
2.Chlorine production; Cement production
3.Cement production; Metal production
4.Fossil fuel combustion; Gold production
Soil formation begins with the ________ of rocks and their minerals
Fill in the blank(s) with correct word
Heidi injured a ventral root below her ribs. What problem will she likely experience?
A) She will not be able to close her eyes. B) She will become deaf. C) She will lose all sense of touch in her abdomen. D) She will have trouble walking.