Which of the following pairs of chemicals are understood to be the chemical reactants in photosynthesis and the products of cellular respiration?
A
Sugar and water
B
Carbon dioxide and oxygen
с
Sugar and oxygen
D
Carbon dioxide and water

Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind