Biology, 22.07.2019 00:32 skittlesarebae6035
Which of these is a disadvantage of hydroelectric energy ? a. is expensive to build or maintain b. has high power plant efficiency c. has a long power plant life span d. reduces greenhouse gas emissions
Answers: 1
Biology, 21.06.2019 20:00
In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls
Answers: 1
Biology, 22.06.2019 10:50
The small molecule cyclic amp (camp) takes about 0.2 second to diffuse 10 μm, on average, in a cell. suppose that camp is produced near the plasma membrane on one end of the cell; how long will it take for this camp to diffuse through the cytosol and reach the opposite end of a very large cell, on average? assume that the cell is 200 μm in diameter.
Answers: 1
Which of these is a disadvantage of hydroelectric energy ? a. is expensive to build or maintain b...
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