I believe the answer is C
Answer:
Behaviour.
Explanation:
Health is the physical fitness, safe is the protection from harmful disease and rights are those things which is good for them. Every person want a person who are physically fit, safe from harmful diseases such as heart disease, cancer etc. If the person having these qualities then the people will choose to marry that person otherwise not. These qualities are necessary for the healthy relationship between couples.
The second answer is true, lung cancer is the leading cause of cancer deaths.
In general, for most things, A would be correct (Any time of the day). It kind of depends on what you ar collecting the sample for. I think the earlier the better but it doesnt usually matter.
