Mark, who is 14 years old, spends a lot of time thinking about the world as it currently is and the world as it could be if everyone took a greater degree of personal responsibility for environmental and social conditions. According to Piaget, Mark is in the stage of development.

european feudalism was a combination of legal and military customs in medieval europe that flourished between the 9th and 15th centuries. broadly defined, it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour.

japanese feudalism. the era of feudalism in japan took place from the 12th through 19th centuries. during that period local rulers, either powerful families or military warlords, dominated the land, while the emperor was merely a figurehead and not a significant political presence.

aliens are not real, the myth was created about 700 years ago because people found markings in the field of their crops. also, no there were no aliens on the moon.

hope this ! give brainliest!

i need !

answer; ///he could not explain why the continents drifted;