Answer:
Since a species' chromosome count doesn't change from generation to generation, meiosis requires that the number of chromosomes in germ cells be cut in half. Meiosis, unlike mitosis, achieves this accomplishment by requiring a single round of DNA replication followed by two rounds of cell division.
<span>Air pollution is the presence of harmful substances in the earths atmosphere </span>
If an atom is unstable it can become stable by the gain or loss of electrons.
Answer:
Once water vapor is in the atmosphere, low temperatures cause the vapor to either condense into a liquid or undergo deposition to form ice crystals. Water droplets can form clouds from the atmosphere.
I hope this helped!
You can elnimate the moon and mars so the answer is a star
