1 point The Mexican/US border culture region is best defined as:
A formal region
A functional region
A vernacular region
An absolute location
A relative location
The most important tool to help geographer think spatially
1 point

Why is the future for life on earth bleak?

The country in the world with the largest population is_?

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.