Answer:
colds are cause by viruses
The earth moves closer to the sun and we get summer. then when the earth moves further from the sun, we get winter.
Diffusion............................................
Answer:
3/16
Explanation:
Doing a Punnett sqare (or several), we can get in the f1 1/4 of seed will be genotypically identical. Doing another Punnett square for F2, we can get 3/16
Ozone is good when it is in the stratosphere but bad when in the troposphere (where the weather system occurs). When in the stratosphere it help absorbs UV light from sunlight before reaching earth surface. This prevents damage to the genetic material of living organisms.
When in the troposphere, it is considered a pollutant and causes irritation of the lungs when inhaled. It also affects vegetation by reducing crop growth and yield.
