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.
The answer is 4 is helps you estimate the distance between two places.
The correct answer is: <span>B) An Astronomical Unit
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The reason why the family removed an orchard of trees so they could build a house is because Erosion is likely because : C. Deforestation removes roots that hold the soil in place
Without plants' root , there is no medium that could hold the earth's structure to prevent it from moving
hope this helps