What is the relationship between earth's physical characteristics and its composition?

This is a harder one to answer in general. Composition well is how it is formed, and the physical appearance is more along the lines of what we see. The mountains, hills, and valleys, as where the composition is all of it working together forming new areas ETC

C

Explanation:

A food chain outlines who eats whom. A food web is all of the food chains in an ecosystem. Each organism in an ecosystem occupies a specific trophic level or position in the food chain or web. Producers, who make their own food using photosynthesis or chemosynthesis, make up the bottom of the trophic pyramid.