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It allows scientists to visualize the molecule they are working with more vividly.

It also allows them to see the ratio of atoms It contains which further allows

scientist to find the proportions of chemicals to mix together to maximize the

efficiency of a chemical reaction.

Answer:

A scientific model is a simplified visual representation of the complex system.  

They are used during scientific research:

1. To prove and disprove the hypothesis

2. Represent 2D or 3D representations of either very small or very large systems like microorganisms and solar system.

3. Used by the scientific communities to explain the complex scientific systems to people.