What conditions are most likely to cause a hurricane

What is the primary justification of the hypothesis that the early earth environment was void of oxygen? ( 2 points) data showing the concentrations of gases extracted from rocks fossil evidence regarding the origin of eukaryotes generally accepted atmospheric conditions molecular evidence based on evolutionary traits.

Can anyone find the answers to the lab 2: exercise 1 bathymetric charts questions for sandy harbor so that i can check for accuracy?

Why does less erosion & more deposition take place on the outside bank of a meander?