Choose the correct prepositions. Learn the propositional phrases to speak about ecological problems.

• Объекты 1
  • concerned ___ ecological problems
  • landfill sites situated ___ towns and cities
  • lead ___ health problems
  • emit harmful gases ___ the atmosphere
  • the reason ___ deforestation
  • the problem ___ growing waste
  • equip factories ___ air filters
• Объекты 2
  • about
  • near
  • to
  • into
  • for
  • of
  • with