According to myth, why did the gold trade decline in ghana?

Donald trump will plan to use his emergency powers to build the wall between the us and mexico, instead of shutting down the government again?

What were copernicus’s ideas about the order of the universe deemed to be dangerous to church thinking? (5 points) a.the church was invested in the idea that the earth was at the center of the universe b.copernicus was developing a new religion that would challenge the church c.the church feared his ideas threatened their control of european universities d.copernicus was a follower of luther and therefore could not be trusted

Tim oxide reacts with the hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grains of sn