What is the missing word? If an enzyme is heated to a temperature of 50 °C it stops working permanently. The enzyme is said to have become

DVD player and a half hour or so ago and I don't know what to do it again and again and again and again and again and again and again and again and

c. heat from the poles back down towards the equator.

sorry to break it to ya but no one can answer your question it's just

jk but i am serious about the part that most people cant answer it beacuse you did not mention the section you are talking about. but it would if you added some detail and were a bit more specific.