Which of the following lowers the activation energy of a reaction?
a) catalyst
b) lipids
c) carbohydrates
d) reaction

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.

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

The negative impacts of nonnative species generally outweigh the positive impacts