Final answer:
Hiring a scientist that works for a plastics company is likely to produce a biased result.
Step-by-step explanation:
The method that is most likely to produce a biased result is option B: Hire a scientist that works for a plastics company. When a scientist is employed by a specific company, there is a higher chance of bias towards that company's products. It is important to have an unbiased and impartial evaluation when comparing eco-friendly plastics from different companies.
Learn more about Comparing eco-friendly plastics from different companies