Africa experiences a high level of air pollution because it has more old vehicles on the road than industrialized regions do.
Please select the best answer from the choices provided.
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What is the "great pacific garbage patch"? (a) a large area of marine debris concentrated by rotating ocean currents (b) a large area around the pacific rim where debris collects from natural disasters such as tsunamis (c) an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability (d) a large trash dump located in hawaii

According ti the following map, what are the most common mineral resources found in the united states?

In the diagram below, ab and bc are tangent to o. what is the measure of