What event in history had the greatest impact on human population growth?

If someone could do the first couple, just so i can see how it's done that would be great! 20 points. complete a dichotomous key for the 10 leaves on the common leaves sheet. the chart provided here allows for 11 pairs of statements. depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.

What are charcteristics of lithosphere?

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into