American consumption has had which of the following effects on the environment

The lines marked by the letters a, b, and c on the map above represent a. chains of volcanoes b. earthquake fault lines c. thin strips of heavy forests d. major rivers that flow from north to south

Put these ecosystems in order of least biodiversity to most biodiversity 1. mediterranean forest 2. indonesian rain forest 3. arctic ocean

Which of the following situations is most likely to arise when a crowded city is unable to provide its residents with sufficient sanitation?