Answer: first photo in my opinion would be d or c, but mostly d!
2nd photo would be either a!
hope i helped!
The agent that kills bacteria is called bactericidal. Bactericidal agents act directly by destroying the present bacteria. It is also different from bacteriostatic, because bacteriostatic means the inhibition of the spread and growth of bacteria only.
It’s definitely b
hope this helps
They do lower the activation energy but they provide an alternate pathway for the reaction to happen quicker and they do not get used up in the reaction
