Cleaning and purifying which of the following decreases damage where the pollution initially accesses the water systems?
a.)basins
b.)ditches
c.)drains
d.)reservoirs

C

Explanation:

Because they leave drains by their self to mold and pick up other sources of pollution.

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.  

answer; i believe that the correct answer is (light);