Q: Scientists use the principles of what to make predictions, which they then test?


Read this paragraph and choose the correct option from the provided answers:

The experiment is a cornerstone in the scientific approach to gaining deeper knowledge about the natural world. Scientists use the principles of their hypothesis to make predictions, and then test them to see if their predictions are to be confirmed or rejected.

 Choices:

- their teachers

- their guesses

- their faith

- their hypothesis


A:
their hypothesis