I assuming that you are asking me to identify which one a leaning telephone pole fits under so my answer is slump. Im sorry if that is in fact NOT what you were asking.
Perspective refers to the framework which is used to explain phenomenon.
The three kind of perspective which geographers used are:
1. Place, scale and space: Geography looks at the world through the lenses of place, space and scale.
2. Geography domain of synthesis: which relates human action to the physical environment.
3. Spatial representation.
Answer:
Silk Roads, Sea Roads, and Sand Roads?
Explanation:
The desire of elites for hard-to-find luxury items
from distant parts of the Eurasian network, as well as
the accumulation of wealth, especially among
merchants who participated in the trade, motivated
long-distance commerce. Sustaining the commerce were the support of empires and smaller states that benefited directly from the trade; the spread of religious traditions, including Islam and Buddhism, that through shared beliefs tied merchants and sometimes whole societies together over wide regions; and the development of technologies like larger ships and the magnetic compass.
A question like this could of been found with a google search but I will post it anyway. According to National Snow and Ice Data Center, glacier cover roughly about 10% of the earth surfaces. Mostly regions like Greenland and Antarctica