Maintain homeostasis - eg. blood sugar control by insulin and glucagon.<span>
HOP THIS HELP GOOD LUCK:)</span>
Answer:
Bark
Explanation:
The scales on the fish serves as protection for the fish. And the tree bark serves as protection for the tree.
Answer:
true
Explanation:
<em><u>Some water pollution is caused from “point sources” that is discrete locations, from which pollutants are discharged, e.g., a pipe, ditch, ship, or factory smokestack. Point sources originate in large and easy to trace facilities, hence are easier to control. In contrast, pollution from “nonpoint” sources is cumulative, arising from multiple inputs over larger areas, such as farms, city streets, and residential neighbourhoods. Hence, such sources are harder to precisely identify, and because of this uncertainty, nonpoint source pollution is harder to control than the point source.</u></em>
Answer:
The Quantum Model of the Atom 1927
Explanation:
It is the most accurate model of the atom but I don't know about the easiest to visualise. Soz :(
Because of their resemblance and relationship to prehistoric reptiles and many people think that birds descended from dinosaurs
