Answer:
(B) Wind turbines convert potential energy into kinetic energ
<h2>
Answer:</h2>
Demography is the study of human population.
<h2>
Explanation:</h2>
Demography studies most if not all aspects about human population. It checks births, death, sex, migration, etc. and in turn, when we describe the population, it is normally from pertaining to demographic. Demography is also involved in other disciplines such as sociology, economics, statistics, etc.
Through demographics, the necessary departments get to understand people and their needs better. Countries economic decisions is one example that depends on demographic studies. It also affects other areas such as the planning, labor markets analysis, and etc.
Answer:
Conventional sources of energy is also called non-renewable sources of energy while non conventional sources of energy is called renewable sources of energy.
An example of conventional energy is coal, crude oil and natural gas. The advantage is the availability and affordability. The disadvantage is the level of air pollutants such as CO2 and CO it releases to the atmosphere which is harmful as it poses a risk of air borne illnesses.
An example of non conventional energy is the sun, wind , water etc. The advantage is that it reduces the risk of air pollution and keeps the environment clean as no toxic substances are being released into the atmosphere when used. The disadvantage is they are expensive and aren’t available all year round.
Answer:
B
Explanation:
A is incorrect because the Appalachians are not jagged and point
C is incorrect because erosion/deposition would do this
D is incorrect because weathering does not affect tectonic plates
Answer:
i would say white because if they were to turn black they would be more visible to predators i believe they have black skin under their fluff .
Hope this helps
