Answer:
A
Explanation:
A)Chromosomes assort independently, and crossing-over occurs.
The cyanobacteria changed the composition of the earth’s atmosphere by evolving oxygen in what is referred to as the Great Oxygenation Event. This also allowed the ozone to be formed and block off most of the UV rays that are destructive to genetic material. Life was, therefore, also able to exist on land other than in water.
Answer:
Swelling
Explanation:
As the body tries to heal itself, the tissues may swell and become inflamed, causing a cast to become tight and uncomfortable.
D.) = 1.)
A.) = 3.)
C.) = 2.)
B.) = 4.)