Question

select the correct answer. scientists classify rocks into three different types. what is the main basis for the classification system they chose? a. color of the rock b. shape of the rock c. how the rock formed d. who discovered the rock

Explanation:

Rocks are classified into igneous, sedimentary, and metamorphic based on their formation processes. Color, shape, and discoverer are not the main bases for rock - type classification.

Answer:

C. how the rock formed