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- 1. Multiple ChoiceWhat organisms are affected by poisons mining releases into the river?Aquatic animals and their predatorsMostly plantsBirdsHumans and domestic animals only
- 2. Multiple ChoiceHow are humans affected by poisoning of the river?All their crops dieAcid rainProduction of CO2 (carbon dioxide)Humans may be poisoned by eating fish or drinking the water
- 3. Multiple ChoiceWhat is urbanization?when cities can't get enough watermovement of population from rural areas to citiescities are often warmer than surrounding areaswhen topsoil is eroded away and nothing will grow
- 4. Multiple ChoiceWhat are some bad things attributed to population growth?autism & genetic diseasesreligious conflictlow wages & unemploymentburning fossil fuels & increased CO2 production
- 5. Multiple ChoiceWhat two things mix with water to cause acid rain?salt and sugarnitrates and sulfatesmercury and cyanideDDT and other pesticides
- 6. Multiple ChoiceWhat are common practices that lead to overgrazing?grazing cattle instead of sheep and goatsgetting into conflicts with neighbors over grazing rightsusing sheepdogs instead of human shepherdstoo many animals, lack of rotation, grazing at wrong times in plant life cycle
- 7. Multiple ChoiceWhat is deforestation?throwing someone out of a windowselectively cutting trees for lumber, making sure the forest remains healthyallowing more animals to graze on the land than it can supportcutting and removal of rainforest
- 8. Multiple ChoiceWhat are some reasons deforestation occurs?clearing land for agriculture, ranching, and miningjust wanting to destroy thingsPopulation moving from rural areas to citiesto make room for infrastructure
- 9. Multiple ChoiceWhat are some consequences of deforestation?increased population in citiesbuilding of more infrastructuresoil erosion, loss of biodiversity, loss of ability to remove CO2more mercury and cyanide released into rivers
- 10. Multiple ChoiceWhat is biodiversity?the process where topsoil is eroded away so no plants can growmany different kinds of living thingsa coral reefthe study of how to protect rainforests
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