Unlike large solar collection fields and dams, wind farms
A) keep the surrounding land available for farming.
B) can continue to generate electricity every hour of the day.
C) do not generate greenhouse gases.
D) are very inexpensive to build.
A
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Which of the following is the definition of a scientific theory?
A) The gathering of data through observations B) A tentative explanation used to explain observed activities C) A well-tested and widely accepted view that explains observable facts D) An educated guess
Which of the following human activities has been most problematic for wetlands around the world?
A) Boat traffic that causes excess oil and gas to be dumped in waterways B) The alteration of ocean current circulation resulting in erosion of wetlands C) Eutrophication caused by humans dumping pollutants into water D) The draining and alteration of wetlands for agriculture and urban development
Silica is a term for oxygen combined with silicon.
Answer the following statement true (T) or false (F)
An a(1 ? 4 ) glycosidic bond is found in which of the following?
A) lactose B) maltose C) sucrose D) all of these