Ow does geography play a role in Mexico City's air pollution problem? Group of answer choices

It is one of the world's largest cities.

The city has views of distant snowcapped mountains.

The cars and factories send pollution such as lead, sulfur, and carbon monoxide into the air.

It lies in a bowl-shaped valley that traps air pollutants.

Which of the following is a problem in the health care system of the united states? a. too many doctors in rural areas b. too many doctors who are general practitioners c. fraud d. costs that are too low

Which of the following selections is least useful for supporting the claim that states intentionally built unequal school systems? question 1 options: the supreme court ruling in plessy v. ferguson (1896) wrote into law that america had two separate societies: one black and one white. it was very clear by the mid-1900s that southern states had expertly built separate educational systems. these schools, however, were never equal. states with laws keeping schools segregated never gave equal amounts of money to their black and white schools. ten years after brown, fewer than 10 percent of southern public schools had integrated. some areas did not comply at all.

Select the phrase that best describes "race."a. religiously distinct b. different species c. socially constructed d. factually accurate