Answer:
the probability (assumptions)of where the sand came from by the three friends may be
a. the thought that the sand came from distant mountains and landforms.
b. the thought that the sand came from rocks on the ocean floor.”
c. he thought that the sand came from undersea mountains and sea floor formations.
the best answer to this is the first probability answer (a)the thought that the sand came from distant mountains and landforms.
it is very essential as a student to have an idea about weathering, erosion, deposition, and landforms. if students/ individuals can identify/recognize that sand on a beach may have come from distant mountains and landforms due to rock weathering , deposition or erosion.
Explanation:
