1 Is advantage because with out is. you couldn't carry the piano at all.
2 Efficiency because it is going against you.
Answer:
This is to optimize storage and transport.
Explanation:
A procedure is all the steps used to do an experiment in order.
<span>the experiment is when you test your hypothesis and is designed to answer your question. </span>
<span>the procedure is all the steps of the experiment.</span>
Well parents can set rules or even punishments which can influence the drinking habits of there kids such as, they aren't allowed to go out unless they had followed the rule there parents set for the amount they needed to have drank. Parents have many ways in which there authority can influence there kids habits.
PE= 3kg x 10N/kg x 10m
= 300J