Pull factor- it pulls people twords the us
The first evidence was presented by Wegner when he hypothesized that all the continents once formed a single land mass called the Pangea before drifting apart. So, to fill in the blank, it would be that '<em /><em>neighboring continents [are] like jigsaw puzzle pieces</em>'
The formula for area of a trapezoid is A =

So, we plug it in.
The area is <span>0.38.</span>
Global warming because the temps are getting hotter and the water is evaporating faster