Answer:
I beg your pardon?
Explanation:
you might want to rephrase that question my friend.
Answer:
b. ex post facto or quasi-experimental.
Explanation:
An ex post facto search is done when a researcher cannot manipulate one of the variables such as sexual behavior or smoking (as described in the question), ie this type of research is done when it is not possible to manipulate the independent variables as they already arrive ready for research. Ex-post fact research deals with variables that are unmanipulated in nature. Quasi-experimental research can also be done for this same situation.
The answer is A. A tear of ligament.
Sprains and strains are common injuries and have common sign and symptoms such as pain, swelling and limited movement of affected part. These two are occur in different parts of the body. A sprain is a stretching or tearing of ligament, a connective tissue that connects two bones. Whereas, strain is tearing of muscle or tenon. Tendon a connective tissue that connects muscles to bone.
