Question

multiple-choice question
large sized crystals in igneous rocks are the result of ______.
slow cooling magma
magma at a constant temperature
fast cooling magma
rewatch

Explanation:

When magma cools slowly, there is more time for mineral crystals to grow larger. In fast - cooling magma, crystals don't have enough time to grow as they solidify quickly. Magma at a constant temperature is not the typical condition for large - crystal formation in igneous rocks.

Answer:

slow cooling magmas