Explanation:
Psalm it B cause it shows when David worship God by singing
Answer: C a treadmill
Explanation
In a gym why would you have a plate of food you should have that in a cafeteria. A book on boxing maybe but most likely in a library and a gutair stand in the music room.
Answer:
Constructing a hypothesis, test with an experiment, do background research are all steps of a scientific method which includes prediction.
Hope this helps :D ;-))