Question

A hiker finds a smooth, rounded pebble along the shore of a stream that is flowing down from a mountain.

Which of these most likely caused the pebble to have this appearance?

A,b,c or d !????
PLS I NEED HELP

Answer 1

Answer: B

Explanation: Transport of pebbles in a stream causes them to collide and rub against one another and the stream bed, and the resulting abrasion produces the familiar smooth and rounded shape of river rocks.