The only answer that could be considered an advantage is C. Increasing the amount of crops harvested.
Bias is when a scientist is inclined to put their own thoughts before their actual results. Therefore, an ethical scientist would not exhibit this trait.
Logic is when a scientist puts critical thinking and the scientific process first. An ethical scientist WOULD exhibit this trait.
Honesty is when a scientist tells the truth, wether or not their results align with their own thoughts/opinions. An ethical scientist WOULD exhibit this trait.
The answer to your question would be "An ethical scientist exhibits Logic and Honesty"
Tight junction, Gap junction, Desmosomes
Sugar energy or glucose they also produce oxygen
Water such as pool,pond,and puddle.