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
A magnet because it will remove only metal and not the saw dust
Hope this helps
Answer=3
<span>Decomposition, double replacement, and synthesis are 3 types of chemical reactions.</span>
The balanced equation is attached in the image below. The coefficients are 2, 2, blank.