What useful tool helps scientists work with, understand and make predictions about extremely complex systems?
- Correct Answer: speculation
- guesses
- assumptions
- models
Explanation: Scientific models are useful tools for scientists. Most of Earth's systems are extremely complex. Models allow scientists to work with systems that are nearly impossible to study as a whole. Models help scientists to understand these systems. They can analyze and make predictions about them using the models. There are different types of models.
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