Is this too much, or can I include living rock?

Obstacles on the way include large rocks and a canyon, both of which they got through with little trouble.

The record industry of America had other plans for the '90s which included grunge/alternative rock.

As a child, he studied the piano, but his interests included jazz and rock.

The chimney cannot be young enough to include written rock, but it is.

Basic objects you will see on almost every level include bombs, rocks, and hearts.

Items in the sack might include rocks, feathers, and more.

The music mix, meanwhile generally included pop, rock and soul from the early 1970s to the present day.

He could barely avoid the missiles thrown at him, which now included large rocks.

Earth materials is a general term that includes minerals, rocks, soil and water.