1. Wasps and butterflies are insects; lizards and crocodiles are reptiles.
3. Heavy rains in the monsoon season brought serious floods in the region.
4. The camp was situated on a river bank in the middle of a dense fog/forest.
5. The careless skiers caused an accident; it's a miracle they weren't badly injured by the snow.
6. The engine of the car was designed to reduce the emission of exhaust fumes.
7. Saving water and recycling glass and paper are actions we all can take to protect the environment.

Ezekre tudtam valami választ adni, de ezek se 100%-osak.
Remélem tudtam egy picit segíteni.