WILL GIVE 30 POINTS IF YOU HELP In this activity you will practice moving a wave through 2 different materials. 1. Cut 2 pieces of string to lengths of 12 inches.

2. Make waves through the air using one string.

3. Make waves though a container of water using the other string.

4. What differences did you notice between the two materials?

the correct answer is a

it should be all of them because it asks if you included all of those in your answer

explanation:

in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.

they vary. it used to be meat, grain, bread, candy, beverages, donuts, and fruits/vegetables. now they added exercise in.