Enzymes are important for allowing and speeding up reactions in an organism. They do this by orienting chemical compounds and or substances so that they can easily break and form new products easily, the activation energy is lowered upon the use of such enzymes.
Answer:
The earth surface is getting hotter because of global warming
Explanation:
First one is digestive system
second one is lion fish
i dont know the third one. im sorry
Chromatin is my answer if I was right can I get brain please