So you want me to create environmental slogans or is this a question?
Answer:
<em><u>A. Neither the subjects nor the researchers can bias the results.</u></em>
Explanation:
As described, a double- blind study is one in which the researcher and his study does not know the person receiving the actual treatment.
Researchers can be bias in their studies as they seek to establish and fine tune results in the way the best favors them. A double-blind study helps to bridge this gap to prevent bias that might be introduced into an experimental set up or while interpreting results.
Answer:
They share two lone electron pairs
oxygen has 8 charges and hydrogen has 1 charge. Oxygen is negatively charged and hydrogen is positively charged.
D. Photosynthesis only takes place in the light, while cellular respiration takes place in the light and dark.
