Question

1. which of the following best explains how chemical weathering can break down rock? water freezes in cracks and breaks the rock apart. wind carrying sand scrapes the surface of a rock. acid rain reacts with minerals in the rock, causing it to weaken and dissolve. plants grow roots into rocks and split them.

Explanation:

Chemical weathering involves chemical reactions. Acid rain reacting with rock minerals is a chemical - change process. Water freezing, wind - sand scraping, and plant roots splitting are physical weathering processes.

Answer:

Acid rain reacts with minerals in the rock, causing it to weaken and dissolve.