Answer:
C
Explanation:
mechanical energy is the sum of potentiol and kinetical
heat is like stoves
solar is... the sun.
The equation for the thermal efficiency of a system is given by n = Tc/Thx100 where n is the thermal efficiency, Tc is the temperature of the cold reservoir and Th is the temperature of the hot reservoir. Dividing 190 by 515 gives us an efficiency of 36.9%.
Answer: A.
63.1%
Explanation: edmentum
b. population growth was rapid.
c. population growth was slow.
d. there was no population growth.
Answer: Immigration can be a reason for a overall increase in the population of a species. It is a method by which the species at other place migrate to a different place permanently. The reason to migrate to a different area can be lack of resources, hunting, or any natural calamities. The population of a particular geographical area shifts to another area only because of the problems that does not allows the population to reside there. This makes the population move to another area for their survival.
D. The immigration of the population is greater than the emigration.
Answer:
the answer is True
Explanation: