Some studies have shown that peppermint odor increases people’s mental sharpness, especially when they solve math problems. which best describes how this could be a valid scientific claim?
if it is tested in a controlled setting with repeated results
if the test is published on wikipedia
if the scientist was previously peer reviewed
if the math problems are easy problems

The first statement illustrates a valid scientific claim.

Explanation:

A scientific claim refers to a condition, which comprises the outcomes that are achieved after the execution of experimental procedure and reasoning on the basis of the grounds of a specific natural event or phenomenon. The relevant evidence or fact supports the claim. The outcomes are only regarded as effective when the recurrent trials using a similar methodology are performed under controlled circumstances.

If it is tested in a controlled setting with repeated results

Explanation:

This is how a hypothesis is accurately tested and because it is in a controlled setting, many more people can also recreate the same experiment

rocks and weathering-matching

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.