Just had a moment of thought: how would you catfish someone in the 1800s
(its not a serious question)

The sahel is located on the edge of the sahara desert. a.north b.west c.south d.east

In 1819, what did the united states obtain from spain for $5 million?

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.