It is determine by brightness
Answer:
a volcanic mountain is formed by the oceanic plate going under the continental plate causing the formations of trenches and mountains, the friction caused by the oceanic plate sliding under the continental plate makes enough heat for it to become volcanic.
Explanation:
Precisely 3.2 astronomical units.
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.