If lava cools so quickly that crystals cannot form, the texture of the rock will be _____.
a. glassy
b. aphanitic
c. phaneritic
d. porphyritic

Respuesta :

i think its a because that is how obsidian is made and it is glassy
Hi There! :)

If lava cools so quickly that crystals cannot form, the texture of the rock will be _____.a. glassy
b. aphanitic
c. phaneritic
d. porphyritic

B. aphanitic