Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

How many kinds of rocks are there in the world?


There are three main types of rock. They are igneous, sedimentary and metamorphic.

{{ relativeTimeResolver(1578410580850) }}

LIVE
Points points 18
Rating

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE