What happened in the Gulf of mexico?
an oil spill
Name 2 sources of CO2
cars and cigarettes.
name 3 water-carried diseases.
typhus and cholera.
150,000 dying....
lakes.
which gases destroy the ozone layer?
CFC´s
Where did the worst smog struck?
London
what is the cause of acid rain?
sulfur dioxide combined with rain and acid chemical.
what is one of the most dangerous substances in water?
Mercury.
350 years ...
for plastic bottles to break down
What are the 3 basic kinds of pollution ?
air, thermal and farm pollution
What are the 2 poisons in Farm pollution in California?
Pesticides and fertilizers.
What can be damaged by acid rain?
crops, farmlands, rivers, lakes, stones and metals.
How is the food chain formed in order for humans to ingest mercury?
protist are eaten by small fish, which are eaten by big fish, which are eaten by birds and then we eat them.
16 billion...
disposable diapers are thrown every year.
What is the greenhouse effect?
the effect allows sunlight to come and warm the earth and rising the heat and being stopped by a "ceiling" of CO2.
what common inventions create CFC´s?
aerosol cans and air conditioners
what words form the word smog?
smoke + fog.
Mercury can cause:
nerve damage and paralysis.
survive the year 4000...
glass bottles.
What is global warming?
The earth getting hotter.
How many people died in london?
more than 4000
which rays damage our bodies?
ultraviolet rays.
what are the dangers of overheated natural water?
- river wildlife killed
- life cycles changed
- trout eggs dont hatch
500 hundred years...
aluminum cans.
how is it called when man overheats natural water?
thermal pollution.