Which might be found on a sandy
beach that protects areas behind them from erosion and flooding?

Answer quickly! correct answers only! how did an agricultural surplus relate to expanded trade during the high middle ages? a)trade increased because surplus crops could be traded. b)trade decreased because surplus crops were needed to feed local populations. c)trade decreased because surplus crops led to an oversupply of grains that could not be sold. d)trade increased regionally but decreased globally because trade networks had shrunk.

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

6) why do you think the battle of concord was important of the patriot soldiers?