What was feudalism and how did it work

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

Which statement best explains “the culture of life” (plato) plz : ( a. it is the belief that all life is sacred and the implementation of policy in line with that vision b. it is the idea that human embryos should be used to find cures to medical conditions c.it is the belief that god created the world and that no one should a metal in affairs of life and death d. it is the belief that human beings have the right to determine when and how they should die

According to the graph, when would have been the best time for america to buy a piece of machinery manufactured in canada