4. scientists are not concerned with the human impact on the environment. true or false?
5. land environments are different that water environments.
true or false?
6. the environment in our lifetime is the same as it was hundreds of years ago. true or false?
7. weather usually affects small areas. true or false?
8. biology is the study of all the living plants, animals, microbes, and diseases that exist in the environment.
true or false?
9. the atmosphere is are part of the environment that does not directly affect us. true or false?
10. humans are the most significant environmental factor because they have the power to drastically change the environmental. true or false?

4. Of course the scientists are concerned, particularly the environmentalists. In fact, they are the people who find alternative ways in order to preserve out natural resources.

5. This is true. Land environments is more susceptible to pollution than water environment. Because of the assimilative capacities of the bodies of water, they can cleanse themselves.

6. False. The weather, the water quality and the forest are three of the things that have drastically changed throughout time. Because of emitting too much air pollutants into the atmosphere, it has led to global warming and climate change.

7. This is true. No matter the size of the area is, it will always be affected.

8. This is true. Biology is the study of life. So, all living things and others related to it are under its field of study.

9. This is false. The atmosphere contains the ozone layers which protects the Earth from UV rays. Without the ozone layer, life would not be possible here on Earth.

10. This is true. Nature would always go about its own cycle. It is the actions of mankind and the effect towards nature that bring about environmental problems.

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