ever changing earth

• percentage of gases in our atmosphere

  -nitrogen = 78%

  -oxygen = 21%

  -others including

  argon = 0.9

  carbon = 0.037%
• inner core

  made from solid nickel and iron
• combustion

  hydro carbon (fuels) + oxygen =carbon + water
• mantle

  has the properties of a solid but can flow very slowly
• outer core

  made from molten nickel and iron
• crust

  relatively thin and rocky
• ways to reduce acid rain

  -using renewable sources of energy

  -weak alkalis in lakes
• effects of acid rain

  -damages aquatic life

  -damaging buildings made from limestone
• identifying carbon

  breath into limewater and it will turn milky/cloudy
• acid rain

  in the combustion of fossil fuels, sulfur dioxide gets released

  this forms sulfur acid when it comes into contact with water, producing acid rain
• identifying carbon

  place in the presence of a lit splint and you will hear a squeaky pop
• continental drift

  when tectonic plates slowly over millions of years causing continents to move
• tectonic plates

  parts of the crust and upper antle broken into large peices
• carbon capture

  catches carbon and is removed by pipes and then secured in geological sites