Answer: 14 a 15 d 16 c 17 a 18 b 19 c 20 d
Explanation: give brainlest
Answer:
A tornado is a rapidly rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud.
Explanation:
This statement is true.
As the sickle cell allele was a mutation in the cell, but it helped prevented Malaria in the countries close to the equator. As this mutation helped many resist against Malaria and nature did not let this mutation die out because it still helps many people.
Meiosis is the process that accounts for diversity.
