Question

Glaciers always melt at the
(a) top surface
(c) bottom.
(b) sides
(d) middle​

Answer 1

Answer:

Answer

Correct option is

C

bottoms

Glacier melt from bottom first because of pressure of upper layer of ice.

Can be understood by an example:

Arrange two groups of 4 ice cubes and place a square cardboard on top of each group. Place a brick on top of one of the groups of ice cubes.

Observe which group melts faster.

Group witj ice on it will melt first from bottom due to incease in pressure