I have the same assigment we can help each other
The right option is; c. can be used and consumed without risk
The defining characteristic of potable water is that it can be used and consumed without risk.
Potable water is the water that is considered safe for human consumption without risk of health problems. Potable water meets drinking water quality standards in terms of physical, chemical and microbiological parameters. Potable water has been treated and it is assumed to be considerately free of harmful pathogens such as bacteria and contaminants.
I belive the answer is d. hopefully, I can help you sort out your thoughts and feelings so you can better understand them
Medical practitioner like nurse is trained with various communication skill that might help the patient coping with their disease. Talking to nurse could help the patient sort their thought and feeling better, make them could adapt more easier. The thought and feeling also could be used to determine if the patient have psychiatric symptoms/problem.
A macrophage is a large phagocytic cell that engulfs foreign particles and pathogens. So Macrophage.
Hope this help! :)