What is a rocks?
A rock is an aggregate of one or more minerals, or a body of undifferentiated mineral matter. (2)
What are types of rocks?
igneous rocks (1)
sedimentary rocks (1)
metamorphic rocks (1)
Resources
1. https://www.amnh.org/explore/ology/earth/if-rocks-could-talk2/three-types-of-rock
2. https://www.usgs.gov/faqs/what-difference-between-rock-and-mineral
