While being transported through the stream the quartz pebble becomes round due to the abrasion by colliding with other rocks. Thus option B is correct.
The transport of the pebbles through the stream has been the result of the colliding of the rock and pebble. The colliding of the rock and results in the rush in between them. This will result in the breaking off the edges and the pebble becomes, round and smoother. This type of weathering has been known as abrasion weathering.
Thus the quartz pebble becomes round while transport through the stream due to the abrasion weathering, which results from the collision of the pebble with the rocks. Thus option B is correct.
For more information about, weathering, refer to the link:
https://brainly.com/question/14426457
