Family, education, religion, and government are all examples of basic ethnic groups

In north america, most winter storms form when cold, dry air from interacts with warm, moist air from

In the 1400s, portugal’s economy was based on a. industry b. exports c. finance d. trade

The oldest seafloor in the atlantic ocean is located closest to the edge of the continents. explain how this age can be used to figure out when north america first began to separate from europe