How do geographers distinguish between hearths of agriculture and secondary centers of agricultural innovation?

Which of the following regions has what is considered the most rugged terrain in oklahoma? a. the wichita mountains b. the arbuckle mountains c. the sandstone hills d. the ouachita mountains

When it is a high tide in georgia, usa, where on earth is another place that is also experiencing a high tide

Canada must balance the economic opportunities offered by its natural resources with the need to maintain links to the united states maintain high tariffs preserve the environment protect its borders