B.
When fossil fuels are burned carbon dioxide is released in to the atmosphere
hope this helps
Answer:
because stagnat water contains bacteria and it is the breeding place of mosquitoes
I believe b. Let me know if it's wrong
Increasing substrate concentration also increases the rate of reaction to a certain point. Once all of the enzymes have bound, any substrate increase will have no effect on the rate of reaction, as the available enzymes will be saturated and working at their maximum rate.
