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
You might also like to view...
The three R's of sustainable resource use are recycle, reuse, and reduce.
Answer the following statement true (T) or false (F)
What does a galvanometer measure?
A. electric voltage. B. magnetic fields. C. electric current. D. none of the above
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.
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)