Enzymes lower the activation for chemical reactions so they get a faster *Jump Start.* Once this happens these reactions can happen a lot faster than similar reactions or the same reaction
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pollution doesn't nessairly stay in the atmosphere, it is moved throughout the atmosphere and can be removed by a natural process.
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I think A or B could be a possibility to your answer
The female duct system is composed of the following organs:
a. Fallopian tubes - this is like a bridge that serves as a passage way for eggs from the ovaries to be delivered to the uterus.
b. Ovaries - are egg cells within the female reproductive system that when mature may develop into a fetus or become a regular menstrual period for women.
c. Uterus - This is where the mature ovaries begin to develop and start to form new life.
