Which population grew exponentially until its carrying capacity was met?

a) graph c
b) graph b
c) graph d
d) graph a

They formed the oceans.  as they melted water was formed and the water made the oceans

The answer to this will be from your lab notes/procedure. it would be best to ask another student who participated in the lab as we do not know what was done, what enzyme or if the temperature is celsius or fahrenheit. if i were to guess though i'd say the rate stopped due to enzyme denturing at high temperature