What are the effects that ocean currents, waves, and tides have on the continental shelf?

Explain the cause for movement river valley civilization to early industrial centers

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

Ineed to draw a simple map of oil where can be found on the map.