Wich is less likely to be a reliable source of information , the webpage of a university or the webpage of a scientist who is trying to sell a new invention? explain

The webpage of a scientist who is trying to sell a new invention can contain biased information, which is not reliable. Based on the choices, I would say the webpage of the scientist is less likely to be a reliable source.

Please give branliest answer.

the backbone of the dna and rna compound is sugar phosphate.

the correct answer is d