The first one. The use of irrigation.
Mantle I think that is it!
Earthquakes occur along plat boundaries and faults. Most earthquakes happen along the edge of continental and oceanic plates. Faults are found in the middle of the plates. They're like cracks that form when the different parts of the plates don't move in the same direction.
Answer:
deforestation is having negative impacts on our mother earth ....our eco-system will obviously change ....and we will be facing many disasters like flood....global warming ...acid rain...droughts and all.
