The world's economies interact with each other by trading. For example, if oil is easier to access in Saudi Arabia than America, it will be less expensive, so we trade. The economies affect one another by giving each other easier access to different resources and products.
Answer:
Since neither reptile could have swum great distances across salt water he inferred that they once lived on a single landmass that has since split apart.
Answer:
great lakes
Explanation:
Water from the melting glacier filled the basins , forming the Great Lakes.
Uluru is located in Australia and it's formation took place over 500 million years ago.It is composed of sedimenatry rocks called arkose.Rapid erosion of the mountains made materials that were deposited under the sea which formed uluru.Uluru is made up of very weldege rock.The top is flat and sides are grooved due to the process of weatheration.The red colour is due to the rusting of iron.The rock reacts with water and oxygen.