1. By : Martina Sánchez and Sofía Orquín

2.  In forest fires living things die or move away.
Air pollution: an increace in greenhouse gases is
causing global warming .

3. Housing developmests: the building of large numbers of
houses.
Water pollution: factories and boats dumping chemical
waste in rivers and oceans can destroy ecosystems.
 Erosion: cutting down trees for wood and paper or for
agriculture can cause erosion.

6. Preventing fires.
Controlling the size and number of housing
developments.
Making laws about dumping rubbish and chemical
waste.

8. Name 2 things that are damaged the ecosystems.
 Free response.
What is Erosion ?
 Cutting down trees for wood and paper or for
agriculture can cause erosion.
Can you say me how can we stop it.
 Free response.