Answer:
Aa
Explanation:
AA or Aa → Enough normal enzyme to make melanin in skin and hair → Normal skin and hair color aa → Defective enzyme for melanin production → Very pale skin and hair color (albino) Page 3 2.
Answer:
Explanation:
Ozone is a gas composed of three atoms of oxygen. Ozone occurs both in the Earth's upper atmosphere and at ground the level.Ozone at ground level is such a harmful air pollutant, because of its nasty effects on people and the environment, and it is the main ingredient in a type of air pollutant called “smog."
Answer:
Most of the stars in our galaxy are made of hydrogen gas.
2. solar system 1. is elliptical
