Answer:
Wastewater treatment The major aim of wastewater treatment is to remove as much of the suspended solids as possible before the remaining water, called effluent, is discharged back to the environment. As solid material decays, it uses up oxygen, which is needed by the plants and animals living in the water.
Explanation:
Answer:
Adaptive Radiation
Explanation:
Evolution of an animal or plant group into a wide variety of types adapted to specialized modes of life. Adaptive radiations are best exemplified in closely related groups that have evolved in a relatively short time.
Bottleneck is an example of a genetic drift that happens when the size of a population is severely reduced.
Answer:
true
Explanation:
This generally is due to either a lack of oxygen in the blood or extremely cold temperatures. When the skin becomes a bluish color, the symptom is called cyanosis. Most commonly, blue hands are caused by a lack of oxygen in the blood.