How does the Southern Pacific coast of Mexico contribute to the economic growth of the country?

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory

What is the thickest layer of earth called?

What is one early technological advance that shaped culture? a the use of fire b the discovery of arable land c family units. d migration