Answer: Time= independent Grade= Dependent
Explanation: Time is independent and the grade is dependent on time.
Infertility is the incapacity to conceive an offspring while erectile dysfunction is the incapacity to get aroused so as to engage in sexual intercourse (mostly in men).
Erectile dysfunction could be caused by stress, cardiovascular diseases, and diabetes. Therefore treating it requires maintaining a healthy lifestyle of nutrition and exercise.
Infertility can be caused by disorders of reproductive organs such as endometriosis and occlusion in the tubes. This can be treated by assisted reproduction (IVF), corrective surgery and education.
Remittent fever
Remittent fever is a high body
temperature which shows fluctuations each 24-hour period but never gets to
normal. The pattern of this fever is not a distinguishable feature of any
disease. For the question given above, Mrs. Harris is describing remittent
fever.
The answer is C ; Refinement
