Grain farming is done for economic activity and this makes it commercial. It is highly specialized and mechanised. The yield per acre is low so the farms are big. The yield is high per man so little manpower is needed for production. Grain farming is subject to market conditions like climate.
I think The upper midwest is the best choice.
Answer:
There is a higher concentration of people who live in the northern hemisphere than the southern hemisphere.
Explanation:
A is not correct because the equatorial region is not densely populated, but it is actually sparsely populated.
B is not correct because the southern hemisphere doesn't have a higher concetration of people than the northern hemisphere.
C is not correct because if that was the case the population density would have been the highest either on the Equator or the poles, and that is not the case at all.
D is not correct because the population density is related to the concept of agricultural production.
E is correct because the northern hemisphere has a higher concentration of population than the southern hemisphere, and this is largely due to the fact that there is much more land on the northern hemisphere, thus a much larger area where there are suitable conditions for living.
The time it takes earth to revolve around once around the sun is a year.
A solar eclipse occurs when the moon passes between the Earth and Sun.
<span>The position of the moon in relation to the Earth and Sun at a given point determines its phase.
A lunar eclipse occurs when a full moon passes directly behind Earth and is covered in Earth's shadow.
I hope i helped, although i may be wrong</span>
Answer:
changes in the earth are similar to the changes of human beings because it evolves at the same time and humans evolve the earth, without it the earth may never change and it will collapse.