Add the numbers from the three sliders to determine the mass
The 3rd sentence is the answer
Answer:
BEFORE AN EARTHQUAKE
1. Do what your doing
2. finish what your doing
3.
4.
5.
DURING AN EARTHQUAKE
1. find somewhere that is safe
2. Don't fo near trees.
3. duck
4.cover
5.and hide
AFTER AN EARTHQUAKE
1. make sure everything is ok
2. evacuat
3.
4.
5.
