Answer:
The student should probably say, "Instead of taking the escalator, use the stairs and even try climbing two at a time."
Explanation:
The first one doesn't explain how to get more exercise, it only explains how to not get injured before doing any physical activity. And the other two are basically irrelevant to the topic.
Answer:
she thinks that having a family often holds them back
Milankovitch cycles occur every 2600 years
Napoleon is always right :D
