The ring of fire, where most active volcanoes are, is in the <span>Pacific Ocean.</span>
I think the EAR is 7.79%
Since EAR = e^0.75 -1
= 7.79%
Provided that there's no diagram, most molecules have particular areas on the molecules, called the "active area" that act as a lock to a particular substrate's molecular structure, providing the key.
An enzyme's active area is only able to be "unlocked" by a certain substrate's "key".