Glaciers help please.. 
?
Glaciers help please..?
Please answer the following questions:
1.) Glaciers are observed to wear down bedrock that is harder than glacial ice. How can this happen?
2.) Glaciers grind away rocks with far more force than rivers or streams yet running water has more influence in shaping landscapes around the world.Why?
3.) Materials deposited by a glacier form a till. What are the destructive properties of a till?
thanks 4 all the answers..
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(oi merald....lam koh na ung sgot...:P)
1. embedded in glaciers are stones and boulders, some of which are hard enough to erode a bed rock
2. Glaciers were insignificant or absent during most of earth’s history except for relatively brief “ice ages” even today glaciers are active only a small proportion of the earth’s land area.
3. Till is a mixture of debris ranging from fine, clay like material to large boulders. Till is neither sorted in size nor deposited on distinct layers as other sediments are. Some of the boulders exhibit flattened, scratched faces where they were scraped against bedrock.
4. Glaciers are formed in polar regions where snowfall lasts for centuries, or even millennia, without entirely melting, and is eventually compressed into ice.
(nkng tmad ahaha jwk muh)
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