Answer:a graph showing how the demand for a commodity or service varies with changes in its price.
Explanation:
Every economy is a political economy and the enormous success of the U.S. economy has been as dependent on the political system as on the economic system. In every economic system, entrepreneurs and managers bring together natural resources, labor, and technology to produce and distribute goods and services.
Well many rocks mix so if you look at a rock you found in jamaica then look at a rock you found in australia you can see a resemblance because they got mixed up when the continents moved jamaican rockes went to australia although there was still rocks in jamaica some went to australia <span />
Answer: Erosion happens when rocks and sediments are picked up and moved to another place by ice, water, wind or gravity. Mechanical weathering physically breaks up rock. One example is called frost action or frost shattering. Water gets into cracks and joints in bedrock.