Answer:
D. Communicating about sex with strangers
Explanation:
I guess it is just a common sense thing.
Answer:
A group association that may be helpful in generating a hypothesis about the relationship between fish consumption and coronary heart disease.
Explanation:
The scientific hypothesis explains about the reason and explanation of the particular phenomena. The hypothesis is mainly based on the environmental observations of the scientist.
While explaining the hypothesis about the particular relationship between two things, at least some group association is required. The group association is helpful in the observation and effect of the relationship between the individual. The fish consumption and coronary heart disease must be a group association for the hypothesis development.
Thus, the correct answer is option (A).
Crunches or sit ups are good methods to strengthen the abdominal muscles
