What waterway was established in 1959 to open the Great Lakes region to more global trade connections?
A) Red River
B) Bay of Fundy
C) Lake Michigan
D) Northwest Passage
E) St. Lawrence Seaway
E) St. Lawrence Seaway
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Which of the following is typically the largest source of radiation exposure for humans?
A) artificial radiation sources B) atmospheric radon C) cosmic rays D) terrestrial radiation
Organic debris such as yard waste
A. can be composted to produce nutrient-rich soil amendments. B. is usually incinerated. C. can be recycled, but only in the home.
Tidal power is periodic, but it is always available at about the same time each day.
Answer the following statement true (T) or false (F)
The following is an example of a disadvantage of the use of wind power for generating electricity:
A) It is associated with high levels of pollution. B) The wind is not constant even in the windiest areas. C) It can never be cost competitive with other energy sources. D) It is impractical in the United States. E) The voltage is not compatible with that of standard transmission lines.