Calentamiento global que es definicion causas consecuencias combate lucha contra 696x435

global warming

By svcastanedavalenzuela.estu@
  • 4000 BCE

    horses

    horses
    the horses used to work in the countryside transporting the people, the pooop of the horses pollutes the air

  • steam machine

    steam machine
    in1765 the people used to travel in the steam machine this vapors contaminatewd the ambient

  • steamboat

    steamboat
    the steamboat used to fight and Commerce between countries.
    the fuel used affect the air

  • bike

    bike
    The bike used to be used to transportation and today it is still used for sports

  • plane

    plane
    the plane used to transporting troops and arms contamineited the air