Number 4 should be mitosis
This is such a vague question. Are you asking what it is or how to trace the process?
Water treatment<span> is any process that makes </span>water<span> more acceptable for a specific end-use. The end use may be drinking, industrial </span>water<span> supply, irrigation, river flow maintenance, </span>water<span> recreation or many other uses including being safely returned to the environment.</span>
Answer:
A molecule of the kind normally found in living systems. Organic molecules are usually composed of carbon atoms in rings or long chains, to which are attached other atoms of such elements as hydrogen, oxygen, and nitrogen.
Explanation:
