The ozone layer
is found in the upper part of the thermosphere
absorbs much of the sun's harmful UV radiation
keeps the stratosphere very cold
is made of charged ions and free electrons

absorbs much of the sun's harmful UV radiation

Explanation:

The ozone layer consists richly of ozone molecules. Ozone with the chemical formula O3, is an allotrope of oxygen found in the atmosphere and helps to absorbs much of the ultraviolet radiation of the sun, preventing it from reaching the earth

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.  

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