Enzymes acts as a catalyst in chemical reactions to speed up the rate of reaction.
Enzymes are not necessarily needed because substrates can disintegrate on their own, but enzymes are helpful to aid this process.
<span>This averages about 75 percent. This type of cocaine is a free base cocaine and is smoked. The high that it gives to the smokers is short but intense. It is also known as the most addictive form of cocaine.</span>
Does nature really hurt itself? does nature want to be ruined? if I would be a nature I will kick those people that have nothing to do but hurt me. Pollution is a result of human activities. it is a problem caused by many.
