1.When the air is very dirty we usually say it is ______. A) nasty B) polluted C) not clean 2.The thing which pollutes the air and soil is _______. A) fertilizer B) pollutant C) pollution 3. We should protect ______. A) The env...

1.When the air is very dirty we usually say it is ______. A) nasty B) polluted C) not clean 2.The thing which pollutes the air and soil is _______. A) fertilizer B) pollutant C) pollution 3. We should protect ______. A) The environment B) pollutants C) soil 4. Ecological problems can be _____. A) solved by people B) done C) thought by business. 5. A person who doesn't eat meat is _____. A) a strong person B) a vegetarian C) a person who hates animals. 6.If you protect the environment you are____. a) a vegetarian b) an environmentalist c) a citizen 7.If we want to reuse things or materials we usually____. a) recycle them b) wash them c) sell them 8.If you love nature you are____. a) a fighter b) a green person c) a gardener 9.Garbage than can be easily burned is___. a) non-combustible b) combustible c) reusable 10. Garbage that can't be burned is___. a) combustible b) reusable c) noncombustible