Question 1
The texture of an igneous rock ________.
◦ records the rock's cooling history
◦ is controlled by the composition of magma
◦ determines the color of the rock
◦ is caused by leaching
Question 2
Igneous rock is formed ________.
◦ by the weathering of preexisting rocks
◦ at great depth within Earth
◦ by changes in mineral composition
◦ by crystallization of magma