A record shows that in January the rainfall recorded was 500mm. From February up to December, the rainfall was recorded at 250mm with June receiving 100mm of rain. Calculate the a) Rainfall range
b) average/mean​

According ti the following map, what are the most common mineral resources found in the united states?

One of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.

Today percent of the us population live in metropolitan areas