What is a logical interpretation based on what scientists already know

a neutral ph of 7 and normal organism temperature is needed for a certain enzyme to be effective.  

what would happen to the enzyme if the ph and/or temperature fluctuate greatly from the norm?  

a.the enzyme’s hydrogen bonds will break.  

b.the activation energy will increase.  

c.more product will be formed.

d.the ideal temperature and ph for the enzyme function will decrease.  

it’s lava came from an explosive eruption

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;