Environmental Problems Quiz

Pollution - is the introduction of harmful materials into the environment ash) i. Pollutants can be natural (e.g. volcanic ii. Pollutants can be created by human activity (e.g. trash or run off produce by factories) Pollutants damage the quality ______, ______, and ______.

Things that are useful to people produce pollution. o Cars spew pollutants from their exhaust pipes. o Burning coal to create electricity pollutes the air. o Industries and homes generate garbage and sewage that can pollute the land and water. o Pesticides- chemical poisons used to kill weeds and insects- seep into waterways and harm wildlife. Review of Pollution Facts about Pollution § All living things- from one celled microbes to blue whales- depend on Earth’s supply of air and water. § When these resources are polluted, all forms of life are threatened. § Pollution is a global problem. It can spread to remote places where no people live. Review of Pollution § Air and water can carry pollution. § Ocean currents and migrating fish carry marine pollutants far and wide.