rocks are mostly made of minerals lava dirt fossils

rocks are mostly made of minerals lava dirt fossils

rocks are mostly made of minerals lava dirt fossils

Answer

Brief Explanations:

Rocks are aggregates of one or more minerals. Lava is molten rock, dirt is a mixture of organic and inorganic materials, and fossils are the remains or traces of ancient organisms. Minerals are the main - building blocks of rocks.

Answer:

A. minerals