Why do tornadoes happen more frequently in the summer?
a. they form over large warm bodies of water
b. they require dust which is present in the summer
c. they require dry air
d. they require warm air

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

Why does miranda have that particular vision of dr hildesheim answer?

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of