All of the following are USDA requirements for certified organic crops, dairy, and meat except that ________
A) animal manure may be used to fertilize crops
B) all animals raised for slaughter must be fed organic food or graze on land that is managed with organic practices
C) vaccines may not be used on animals raised for slaughter
D) genetically engineered seeds may not be used to produce organic crops
C
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In recent years, most major U.S. federal environmental laws and regulations have been ____________________
Fill in the blanks with correct word
Which of the following is a major disadvantage of nuclear fission-based power plants?
A. The reactors can be used to produce their own fuel. B. The by-products of the fission process are radioactive and have very long half-lives. C. The amount of energy per kilogram of fuel is greater than any other fuel source. D. The power plants are complex, and there are many safety requirements to prevent contamination of the environment. E. both B and D
Latitude measurement ____ as one moves away from the equator
a. increases b. decreases c. does not vary d. none of these
Sea-level pressure near the center of a typical hurricane is
A) 850 mb. B) 900 mb. C) 950 mb. D) 1000 mb.