The answer is Wind
Oceant currents are driven by the circulation of wind above the surface's waters, interacting with evaporation, sinking of water at high latitudes.
Answer:
<em>The correct option is theories. </em>
Explanation:
A scientific theory is a detailed explanation of natural researches which are supported through evidence. Scientific theories can be changed if other evidence are made which support another theory. Hence, scientific theories can change. The concepts of plate tectonics and evolution change overtime whenever new pieces of evidence are discovered. Hence, they are scientific theories.
Other options such as hypotheses are not correct because a hypothesis is just a tentative statement which can either be proved to be correct or wrong. Observations are not made on evidences hence the option observations is also not correct.
That it would take light 7.4 years to travel through space.
Answer:
d. II and III only
Explanation:
These are two of the benefits that humans derive from water bodies. The gradual removal of water pollutants by wetlands allows humans to enjoy a more purified water. Moreover, the growth of fish, crustaceans and other food sources allows us to obtain nourishment from the animals that we find in the ocean. However, the development of algal blooms in lakes does not bring any benefit to humans.