Where is the pic at ???????/????
In science, a model is a representation of an idea, an object or even a process or a system that is used to describe and explain phenomena that cannot be experienced directly. Models are central to what scientists do, both in their research as well as when communicating their explanations.
So your answer would be
C) Models help scientists visualize things they can’t see.
4.88x10^20 H2O2 molecules
Plasma is the most least form on Earth and we hardly use it but it is the most common in the universe because it is mostly loacted in space