Answer:
The process uses fuel that is expensive
Explanation:
Desalination consumes lot of energy and that is expensive.
Answer:
A DNA mutation causes sickle-cell anemia.
Explanation:
Sickle cell anemia is caused by a single code letter change in the DNA. This in turn alters one of the amino acids in the hemoglobin protein. Valine sits in the position where glutamic acid should be. The valine makes the hemoglobin molecules stick together, forming long fibers that distort the shape of the red blood cells, and this brings on an attack.
Animals will migrate to other regions in search of food and the new species will evolve to survive int he deforested land.
Answer:
I think its scientific theory is the same as a true statement.