Answer:
its a barrier that goes around everything else
Lead emission since early 1980s have DECREASE DUE TO LEAD FREE GASOLINE.
Lead is a natural occurring element that is found in small quantity in rocks and soils. Lead emission is an important environmental health issue because a very small quantity of lead can cause adverse effects on the nervous system of unborn babies and young children. Because of this, the government took all necessary measures to ensure that its emission was drastically reduced.
Answer:
<h2>Apoenzyme
</h2><h2>Cofactors</h2>
Explanation:
Conjugated enzymes also known as holoenzyme. Simple enzymes consist of only protein alone but the Conjugated enzymes contain protein ( this portion is called Apoenzyme) and nonprotein molecules (this portion is called cofactor). Cofactor help enzymes in their action.
Enzymes are catalyst which increase the rate of a reaction by decreasing the activation energy.