The rate of erosion of continents is measured by the: A.) reduction in elevation of mountains
B.) quantity of sediments in the ocean
C.) sediment load of the major rivers of the world

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.  

the correct answer is - ability to find a mate