2. How does magma become an igneous rock?

By cooling down.

Explanation:

Magma is just molten rock inside a (lava outside) So when it cools down and is no longer molten, it turns back to rock! hope this helps

gametes or germ cells are haploid cells (example: sperm and ova) containing only one set (or n) number of chromosomes and autosomal or somatic cells are diploid cells containing 2n number of chromosomes.

the sphincter muscles at the end of the digestive tract is the anus.