A picture says it! 18. Explain what this image represents regarding where your entire DNA code can be found.

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

yes, because even though a theory has a  lot of evidence to support it, it is not always true

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.