Lead is dangerous because it acts as a(n)
A. Neurotoxin
B. Respiratory fibrotic agent
C. Carcinogenic agent
D. Asphyxiant
E. Irritant
Answer: A
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What happens to high-quality matter in a low-waste economy?
A. It gets recycled and reused. B. It gets released to the environment as heat. C. It goes to a sanitary landfill. D. It ends up degrading in a natural wetland.
Describe the transport of running water from slopes to the sea, and the landforms this transport creates
What will be an ideal response?
Which alternative energy source does NOT utilize direct solar energy?
a. power towers b. parabolic troughs c. dish/engine concentrator d. vapor hydrothermal e. photovoltaic
Under U.S. immigration policies
A) refugees receive special priority over economic migrants. B) economic migrants are expedited across borders to ensure their skills contribute quickly to the economy. C) refugees and economic migrants are treated the same. D) economic migrants are allowed only if they don't send remittances. E) economic migrants are allowed only if they can prove there were no jobs available in their country of origin.