Question

Which statement best describes the usefulness of a model to investigate molecules at the microscopic level?(1 point)
Responses

A model’s usefulness depends on the accuracy of its predictions.
A model’s usefulness depends on the accuracy of its predictions.

All models are useful.
All models are useful.

A model’s usefulness depends on whether direct observations of phenomena can be made.
A model’s usefulness depends on whether direct observations of phenomena can be made.

Models are not useful at all.

Answer 1

"A model’s usefulness depends on the accuracy of its predictions."

Reason: A model is valuable when it reliably explains or predicts observable behavior at the microscopic level. Direct observation isn't required; even simplified models are useful if their predictions match experiments.