The most active volcanoes are located in South America and the bottom of North America
Answer:
I mean you could memorize them and then test yourself on the locations, and those you forgot you can keep practicing them
Explanation:
you can also use the key, which is where certain places have a specific sign to that area, that probably didnt make sense...
Answer:
Crystal size
Explanation:
The most obvious difference between extrusive rocks and intrusive rocks is crystal size. Because extrusive rocks cool quickly, they only have time to form very small crystals such as basalt or none at all. On the other hand, intrusive rocks grow larger crystals because they take longer to cool.
