Water PollutionOnline version Quiz about water pollution text by Geraldine Palacio 1 What do changes in habitats result from? a of the same animals that change their habitat b that it rains a lot and makes a lot of sun c To have an ecosystem so varied that habitats rotate according to the climate d of physical alteration through dams, channeling and river dredging 2 What are the key pollutants for agriculture? a nutrients, pesticides, sediments and fecal microbes. b Gram positive bacteria c Parasites of animals d The humans 3 Substances that consume oxygen and dangerous chemicals are more associated with what? Respuesta escrita 4 What are the point sources a urban wastewater discharges, industries and fish farms b bottom losses (eg forests), agricultural losses, scattered home losses and atmospheric deposition in bodies of water (eg marine areas or lakes). c Wastewater and common landfills d Little environmental pollution and little audiovisual pollution 5 what are the diffuse sources a bottom losses (eg forests), agricultural losses, scattered home losses and atmospheric deposition in bodies of water (eg marine areas or lakes). b urban wastewater discharges, industries and fish farms c Chemical sources of contamination d Hydric and energetic sources Explicación 1 de la alteración física a través de represas, canalización y dragado de ríos
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