Which of the following is not one of the eight most common elements in earths continental
a. carbon
b. silicon
c. oxygen
d. aluminum

Were the first to arrive in nowth america. asian french

The map above shows where people live in the united states. areas that are darker blue are areas where people live close together. areas that are lighter colors are places where people live farther apart. as a geographer, if you were to study where people live and why they choose to live in these places, which of the six essential elements of geography would you be using?

In the diagram below, ab and bc are tangent to o. what is the measure of