What evidence is preserved to indicate that a large meteorite impact occurred at the end of the mesozoic?

The continental divide a divides the united states into east and west b. divides the united states into north and south c. divides the flow of river systems in the united states into east and west d. is a series of rivers and mountains that separates canada from the united states select the best answer from the choices provided.

Lines of longitude are like stripes from the top of the globe down to the bottom virtually slicing the earth like an orange

Why is terracing used in southeast asian agriculture?