Answer:
B. It is important that people are not harmed for the sake of science.
Explanation:
Ethical principles stress the need to do good and cause no harm.A researcher is therefore required to;
- obtain an informed consent from the participants
- minimize or eliminate risk of harm to participants
- protect the anonymity and confidentiality of participants
- Apply no deceptive techniques
- allow the right to withdraw from the study by a participant
Answer:
13,200 mL
Explanation:
multiply by 1000 to go from L to mL
Because more than one substance was released (following a color change signifying a chemical reaction), the sample was indeed, a compound.