Answer:
I belive the answer is C It protects the earth from solar radiation
The answer that describes how social networking sites help political campaigns, especially when compared to traditional media is stated below:
They enable campaigns to sample public opinion.
Social network has been introduced for a very long time now and politicians had the opportunity to use it in order to make their campaign widen its scope and for the people to be aware of the politician's point of view, missions, and visions.
Answer:
The davis's geomorphic cyclic theory raised some of the problems that the davis's concept of the upliftment creates problem so that is why it is unacceptable as it basically described the rapid change in the rate of the upliftment in the very short duration.
And the concept of the correlation in the upliftment and erosion are erroneous as, according to the concept no erosion occurred unless the upliftment process are completed.
Navigable rivers and natural harbors was the geographic feature that contributed most to the settlement of colonies along the atlantic coast. The natural harbor is a body of water sheltered by natural barriers which is well deep to provide a good and a safe anchorage place which permit the transfer of cargo and passengers between the ships and the shore.
