What is loose material such as rock fragments mineral grains and plant and animal remains?

loose materials, such as rock fragments,mineral grains, and the remains of once-living plants and animals, that have been moved by wind, water, ice, or gravity. forms when sediments are compacted and cemented together or when minerals come out of solution or are left behind by evaporation.

B.a pop up at ion changes in response to a change in the environment.