Question

Emily finds a rock with crystals 2 cm large. Her rock _____. has a coarse texture was formed on Earth's surface cooled very quickly from lava has a glassy texture

Answer 1

When Emily finds a rock with crystals 2c large, her rock has a glassy texture. One of the characteristics of a crystalline solid has a glassy feature. This is because crystalline solids have a regular geometry and has a short range order that enable one to view it having the same feature in each angle.

Answer 2

Emily finds a rock with crystals 2 cm large. Her rock _____.
A. has a coarse texture
B. was formed on Earth's surface
C. cooled very quickly from lava
D. has a glassy texture

From the choices, the correct answer is letter A. has a coarse texture. Given the fact that it has crystals with a size of 2 cm.