Answer:
Temperature changes can also contribute to mechanical weathering in a process called thermal stress. Changes in temperature cause rock to expand (with heat) and contract (with cold). As this happens over and over again, the structure of the rock weakens. Over time, it crumbles.
Explanation:
i think this will help you
I would say that in very fast moving water such as in a river, the cobble size could be transported because cobbles are 64-256mm so are quite big and in a quiescent stream won't move much but in a freshet say in a steep mountain stream they can be rolled along such as I observed in the local streams at a mining town during the Hurricane Fifi in Honduras in 1974.
Answer:
1. It's central location and long coastline enable many countries to pass through India's pore during their sea route
2. major ports on eastern and western coasthelp in import and export of goods from india developing its trade
3. it can also be used to harness wind power
3.Manufacturing and distribution