Answer:
Three conditions are necessary to form a glacier: (1) Cold local climate (polar latitudes or high elevation). (2) snow must be abundant; more snow must fall than melts, and (3) snow must not be removed by avalanches or wind
Explanation:
it would be option c. X = erosion and deposition; Y = weathering and erosion
i could maybe answer this if you could give me a picture :)
