One solution for less air pollution in cities is 1) Build more houses in the suburbs
2) Less public transit options
3) More walkability in cities
4) Place stores farther from residential areas

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

Which describes the solid flying debris from a volcano

What is a he difference between earthquake magnitude and intensity