threats to biodiversity -- pollution Flashcards
name 5 ways land is polluted
- garbage
- solid waste
- waste paint
- mercury
- plastic bags
name 5 ways water is polluted
- oil spills
- liquid waste
- battery acid
- pesticide
- plastic bags
name 2 ways air is polluted
- burning fossil fuels
- harmful emissions
what is point source pollution?
a pollution at a specific place from an industrial source
what is non point source pollution?
a water pollution that happens when water from precipitation picks up pollutants before entering a stream or lake
what are 2 negative impacts of pollution?
- alter / damage abiotic features of a habitat
- poison / damage organisms
name 5 ways we can limit pollution
conserve burn less fossil fuels prevent environmental accidents use less toxins use biodegradable plastic bags
what is a pH scale?
a scale that describes the acidity level of a substance
what is the pH range?
0-14
what is pH between 0-7?
acid
what is pH at 7?
neutral
what is pH between 7-14?
base
burning fossil fuels creates which 3 gases (step one of acid rain production)
- carbon dioxide
- sulfur dioxide
- nitrogen dioxide
carbon dioxide, sulfur dioxide and nitrogen dioxide combine with ____ ____ to form ___ ____ in the air (step two of acid rain production)
water vapour / acid vapour
acid vapours _____ in the clouds (step three of acid rain production)
dissolves
