Answer:
The ability to perform 20 push-ups in a row demonstrates <u>muscle endurance</u>.
The ability to lift a baby into a car seat demonstrates <u>muscle strength</u>.
The ability to lift a heavy bag of groceries from the shopping cart into the car demonstrates <u>muscle strength</u>.
The ability to carry the bag of groceries from the store to the car demonstrates <u>muscle endurance</u>.
The ability to perform one pull-up exercise demonstrates <u>muscle strength</u>.
The ability to re-arrange a number of large books on a bookshelf during a ten-minute time period demonstrates <u>muscle endurance</u>.
Explanation:
Muscle strength is when your muscle can perform an exercise to an extent. Muscle endurance is when your muscles can perform exercises during an extended time period.
PS- I got 100 on Odyssey.