Why do scientists use models?

Models make some things easier to understand.
Measurements can be made only on models.
Models help scientists visualize things they can’t see.
Models are perfectly accurate representations of objects.

C. Models help scientists visualize things that they cannot see.

Explanation:

A model is used to help scientists visualize things that they cannot see. A model is used to represent an idea, an object or a process that describes a phenomena. It tends to be thought of a speculation instrument to help structure clarifications.

Models are valuable rearrangements to help understanding. The models are incredible assets however they are legitimate as long as they can clarify the entirety of the accessible information that is from the perceptions and estimations.

11 players on a field that has a maximum of 11 players

the mantle

explanation:

earth is divided into three layers: the crust or the outermost layer on which we live; the underlying, middle layer - the mantle - and the core (the innermost layer of earth).