Answer: hard water because it has a high concentration of calcium and magnesium
Explanation:
The hardness of water is because of the presence of an appreciable amount of magnesium and calcium in it. These minerals make the water hard. As the hard water contains a high concentration of magnesium and calcium, drinking hard water will increase the daily intake of minerals along with those obtained from food. Hard water is also considered good for the cardiovascular system. Thus the hard water can be considered the best beverage choice.
I'd have to say d. the hand, because every human (for the most part, no offence intended to anyone) has a hand and is able to make good (or bad, rather) use of it. It's what a person always has access to at any given time or place, even if they don't have access to one of the other options.
Lay your head back and put a wet towel across your nose are we friends
Answer:
no, the original research subjects must be reconsented for the cancer research
Explanation:
In medical researches, need to be a consented signed by the patients, because is going to be used some biological and genetic part of the human.
Also, if the research goes to a different study, the patient need to know.
In studies like this there need to be patient protection of privacy, in which if the studies work as they do not consider the origin of the sample. Also there need to be, in case of successful, mention the economic benefits of the person if they generate.
