Este elemento esta en la misma familia que el plomo y tiene menos protones que el sodio ​

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.

When children heard an interesting story about a sympathetic and resourceful african-american child, the aim was to provide them with?

As of 2013, the world’s total population was about