The oxygen released from photosynthesis came from

A) the water used in photosynthesis.
B) the carbon dioxide used in photosynthesis.
C) oxygen in the air.
D) glucose.


A

Environmental & Atmospheric Sciences

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Answer the following statement true (T) or false (F)

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What does a galvanometer measure?

A. electric voltage. B. magnetic fields. C. electric current. D. none of the above

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Business services such as advertising, banking, and journalism are centrally located mainly to

A) take advantage of the safe environment. B) facilitate rapid communication of fast-breaking news. C) facilitate the speedy movement of manufactured goods. D) maintain a presence in the seat of government. E) allow for easier commuting to and from the countryside.

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Population change is calculated using which formula?

A. (deaths + emigration) ? (births + immigration) B. (births + immigration) ? (deaths + emigration) C. (deaths + immigration) ? (births + emigration) D. (births + emigration) ? (deaths + immigration) E. (births + deaths) ? (immigration + emigration)

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