Critical Thinking
In the accompanying figure, how much is the combined expenditure per year needed to eliminate hunger and malnutrition, and restore fisheries? This amount is equal to the sum of which two U.S. expenditures in 2008?
What will be an ideal response?
The total expenditure to eliminate hunger and malnutrition, and restore fisheries is 61 billion dollars. U.S. expenditures in dog food ($39 billion) and potato chips and similar snacks ($22 billion) totals 61 billion dollars.
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Answer the following statement(s) true (T) or false (F)
1. Concerning energy use, “getting more” is challenged by the difficulty of changing individual habits 2. Release of carbon dioxide from the burning of fossil fuels is the biggest and best known contributor of greenhouse gases. 3. Increase in “ozone hole” leads to increase in skin cancer rates. 4. A 2006 study found that over 160,000 Americans die prematurely each year due to fine particulates.
The horizontal movement of air is called ________
Fill in the blank(s) with correct word
What neurotoxin is of greatest concern for children's health?
A) acetone B) lindane C) benzene D) lead E) ethylene
If solubility is an important characteristic in toxic material movement in the environment and body, which of the following statements is true?
A. Oil-soluble compounds readily damage kidneys. B. Water-soluble compounds require carriers to enter cells. C. Oil-soluble compounds accumulate in the body. D. Solubility is not an important characteristic in toxic material movement. E. Water-soluble compounds move slowly in the environment.