Sulfur compounds in the atmosphere are equally derived from natural sources and from human activity. sulfur compounds in the atmosphere are equally derived from natural sources and from human activity.
a. true
b. false

The answer is TRUE. Example of natural processes that spew sulfur in the atmosphere is volcanic eruptions. One of the main gases released into the atmosphere is Sulphur dioxide. Human activity also, such as the burning of fossil fuels, also release sulfur dioxide into the atmosphere.

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.