The answer is; D
Solar cells usually convert solar energy into electricity which could later be reserved. The efficiency of solar cells is still low, compared to other sources, with a conversion rate of 15% - 22%. This reduces the attractiveness of solar cells as a competitive source of energy. This also makes this form of energy expensive due to its inefficiency.
Land heats slower and too lower tempetures then water i believe is correct
Excess carbohydrates and fats are stored; excess proteins are not
B. the last phosphate group has a lot of energy stored in the bond that connects it to the other two phosphates.
