What are the main differences between the carbon flows 300 years ago and today?

You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

Abar magnet cut in half will form a total ofpoles. a)fourb)eightc)two

Why does magnet 5 float above magnet 4