l) lead, a persistent pollutant and a neurotoxin can cause all of the following
ID: 206961 • Letter: L
Question
l) lead, a persistent pollutant and a neurotoxin can cause all of the following in children except A, heart failure B. nervous system damage C. blindness D. hearing problems E. Partial paralysis 2) The superfund act that congress passed in 1980: A. authorises the EPA to clean up all dump sites B. allows EPA to sue any industries identified as polluters C. created the polluter-pays principle D. forces polluting industries to clean up after themselves E. allows EPA to use superfund money for cleanups if necessary 3)which of these is net a typical household hazardous substance? A. wood preservative B. oven cleaner C. mercury D. dry-cell batteries E. herbicide 4) which of these is a benefit of recycling: A. pollution reduction B. increase in energy efficiency C. savings in water andenergy D. both A &C; E. all correct 5) Composting solid wastes means: A. incinerating our garbage B. using microbes to break down inorganic matter C. burying solid wastes in deep wells D. compacting MSW E. using fungi& bacteria to break down organic solid waste 6) To detect toxic pollutants scientists are increasingly using less costly means like: A. bees B. insects D. both A &C; E. all correctExplanation / Answer
Answer 1.
Note that studies have proved that lead cannot cause hearing problems. This is because lead cannot cross the blood-brain barrier. And hearing centers are present outside this barrier.
So, the correct answer is option ‘D’.
Answer 2.
This act was related to cleanup of sites containing hazardous materials. So, the correct answer is option ‘A’.
Answer 3.
Mercury, herbicides, paints, dry-cell batteries and oven cleaner; all these come under household hazardous substances.
So, the correct answer is option ‘A’.
Answer 4.
All the options are correct. So, the correct answer is option ‘E’.
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