Which of the following questions can be answered scientifically? should we just let the river flow where it wants? what can be done to stop erosion? is erosion control worth the financial costs? can planting cover crops reduce erosion?

The correct statements are:

Science refers to the branch of study or knowledge which includes a detailed study of a structure and behavior of the natural and physical world.

It works on the principles of observations, experiments, and their results.

Thus, What can be done to stop erosion? and Can planting cover crops reduce erosion? can be answered with the help of science.

The correct answer will be options-

1. What can be done to stop erosion?

2. Can planting cover crops reduce erosion?

Explanation:

A scientific question is a question which can have the real answers and can be answered by following the scientific method.

A scientific question can be answered by proposing a hypothesis based on which experiments can be performed. The experiments will provide observations based on which the scientific questions can be answered.

In the given question, since the selected options can be answered by following the scientific method therefore these selected questions can be considered scientific questions.