A - Lesson 31B - The natural environment

acid rain (n): rain that contains harmful chemicals from factory gases and that damages trees, crops and buildings

• Natural disasters

• Man-made pollution

carbon monoxide (n): poisonous gas formed when carbon burns partly but not completely. It is produced when petrol is burned in car engines.

• Natural disasters

• Man-made pollution

drought (n): a long period of time when there is little or no rain

• Natural disasters

• Man-made pollution

earthquake (n): a sudden, violent shaking of the earth’s surface

• Natural disasters

• Man-made pollution

tornados (n): a violent storm with very strong winds that move in a circle. There is often also a long cloud that is narrower at the bottom than the top.

• Natural disasters

• Man-made pollution

landslide (n) = landfall (n): a mass of earth, rock, etc. that falls down the slope of a mountain or a cliff

• Natural disasters

• Man-made pollution

landslide (n) = landfall (n): a mass of earth, rock, etc. that falls down the slope of a mountain or a cliff

• Natural disasters

• Man-made pollution

• Both of them

volcanic eruption (n): an occasion when a volcano suddenly throws out burning rocks, smoke, etc.

• Natural disasters

• Man-made pollution

oil spills (n): to flow over the edge of a container by accident; to make liquid do this

• Natural disasters

• Man-made pollution

radiation leaks (n): to allow radation to get in or out through a small hole

• Natural disasters

• Man-made pollution