Answer:
The correct answer is option B, that is, they help scientists to understand the complex ideas and objects, which are not easy to handle.
Step-by-step explanation:
The representations of the systems, objects, or events, which are used as tools for comprehending the natural world are known as scientific models. The models utilize known objects to signify unknown things. The models can assist one to visualize or develop pictures in the mind, for something, which is not easy to comprehend or observe.