Which of the following statements are true of catalysts? Select all correct answers. A. They are used up in the reaction.
B. They increase the rate of reactions.
C. They are considered reactants in chemical reactions.
D. They lower activation energy.

Which of the following represents the correct format for the scientific name? a. staphylococcus aureusb. staphylococcus aureusc. staphylococcus aureusd. staphylococcus aureus

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d