What does Luis mean when he says You must also study and learn the lessons of History​

Why are low-lying lands more suitable for agriculture than hilly areas?

What was the main idea behind the daoist religion? a. everyone's life was guided by moral behavior. b. to live peacefully meant to live a life of suffering. c. family should be put above all else. d. all things should follow the flow of nature.

Music the height of a wave or the amount of the wave carries is the amplitude. a.air b.nodes c.speed d.energy