Match the words in the first column with their explanation in the second column

A	1. ecology	a. radioactive dust from a nuclear explosion
	2. pollution	b. extinguished
3. protection	c. serious illness of people, plants, animals
4. environment	d. making dirty
5. catastrophe	e. substance, either natural or man-made which is formed by elements
6. depletion	f. defense
7. extinct	g. disaster
8. chemical	h. a branch of science concerned with the interrelationship of organisms and their environments
9. fall out	i. a reduction in number or quantity so as to endanger the ability to function
10. disease	j. surroundings in which you live

B	1. wildlife	a. harm
	2. suffer	b. type of oxygen
	3. water shortage	c. ecological system
	4. damage	d. the state or condition supported, kept or continued
	5. ozone	e. be in a difficult situation
	6. sustainability	f. result
	7. consequence	g. warning that smth. unpleasant will happen or will be done
	8. radioactive	h. of uranium, having atoms that break up and in doing so send out rays in the form of electricity
	9. threat	i. wild animals, birds, insects, etc., taken collectively
	10. eco-system	j. lack in water

C	1. recycling	a. a person who works towards protecting the environment from destruction or pollution
	2. reclamation	b. a natural product to make the soil more productive for agriculture
3. deforestation	c. material that is used for producing heat by burning
4. environmentalist	d. a programme for planting trees to replace those which have been destroyed
5. conservationist	e. the collection of raw materials so that they can be used
6. reforestation	f. someone who wants to keep things exactly as they are
7. fossil fuel	g. the destruction of forests resulting from excessive cutting out.
8. fertilizer	h. to obtain useful material from a waste product

Find all suitable nouns for each of the adjectives or participles.