I would say Frequency is how often you perform an activity, and Intensity is how hard/intensely you perform the activity.
Not too sure if there are answer choices, but I would say double vision.
Answer:
no matter how much it hurts, one day you will look back at your struggles and pain and realize that it has changed your life for the better.
The infants length increases by 10%
Antibiotics is your answer<span />