Which of the following questions would best you evaluate claims about the healing properties of an expensive herbal remedy?

Hello. This question is incomplete. The complete question is:

"Which of the following questions would best help you evaluate claims about the healing properties of an expensive herbal remedy?

1. Has the claim been published in more than one periodical?  2.Has the claim been discussed on the news or other reliable media sources? 3. Has the claim been tested numerous times by more than one scientist?  4. Has the claim been promoted by more than one expert witness? "

"Has the claim been tested numerous times by more than one scientist?"

Explanation:

When several scientists repeatedly test the same claim, the conclusion about a particular experiment is more accurate. This is because each scientist will have his own way of testing a particular situation and when the result of these scientists proves the revaricade of an information means that the information is reliable. The opposite also happens, that is, when scientists deny the truth of an information, it means that the information is not reliable.

An example of this can be seen in the question above. This is because you could use the question "Has the claim been tested numerous times by more than one scientist?" to evaluate claims about the healing properties of an expensive herbal remedy.

d. planting trees

the trees take in carbon to make oxygen.