The worldwide drop in sperm counts among men has been attributed to ________
A) endocrine disruptors
B) allergens
C) radon
D) DDT
E) teratogens
Answer: A
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The longevity of nuclear power plants has averaged about
A) 20 to 25 years due to unexpectedly high levels of corrosion and embrittlement. B) 40 to 50 years, longer than imagined, because neutrons tend to stabilize the building materials. C) 10 years, only about 25% of their expected life, due to the need for new government-mandated safety designs. D) 40 years, as expected, due to routine maintenance and the replacement with new longer-lasting materials.
Diamond and quartz are both minerals composed of a single element
Indicate whether the statement is true or false
There are no limits to expansion of the green revolutions.
Answer the following statement true (T) or false (F)
Which of the following can be used as reference data for geocoding in the United States?
A. SDTS files B. TIGER/Line files C. DLG files D. SSURGO files