Which statement best describes how a catalyst can speed up a chemical reaction? the catalyst makes lower energy pathways available. the catalyst increases the concentration of products. the catalyst binds to enzymes to release substrates. the catalyst increases the concentration of reactants.

Aperson travels 35 km in 0.4hrs, followed by 53 km in 0.6 hr. what is the average speed

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.

Identify the missing parts of the carbon cycle