Answer:
Indicated prevention strategies.
Explanation:
Based on the information provided within the question it can be said that the term being mentioned are Indicated prevention strategies. These are strategies designed to prevent substance abuse from individuals who show specific signs such as failing grades, alcohol use, DUI first offense, etc. Usually before it gets too serious.
Gamma radiation sterilises surgical equipment
Every week, she will do 3*8*7 pushups.
This means that is she does 3 sets of 8 pushups per day, she does 24 pushups per day.
When this is multiplied by 7, she will do 24*7 = 168 pushups per week, which is a lot!