How would you explain why ice floats to a child?

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

An easy way to calculate the amount of energy available at each level is to what?

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.