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well ,I was looking for an answer for this question at last i got it!!

the answer was:there are some physical change that are really harmful

example:weight gain,diseases etc....

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Wiki User

12y ago
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10y ago

useful changes

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Q: Useful and harmful changes to the environment?
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List down 10 useful 10 harmful changes in the environment?

changes both harmful and useful


What are Useful and Harmful Changes?

The changes talking place in our surroundings and which are useful to us are called Useful changes. The changes which are not useful but harmful are called Harmful changes


Are the environmental events useful for the environment?

it is useful because it can aware all the peoples to now about it and also to protect or environment to such harmful effects


What is the changes in the environment that can give us harmful effects?

it changes the temperature and weather changing.Why? because it affects us harmful effects.


What are some examples of useful changes in your environment?

scratch paper


Are lions harmful or useful?

lion are useful and harmful


Is a ameoba harmful or useful?

It is not harmful. Also it is not useful


What can you do to minimize the harmful effects of the changes in the environment?

To minimize effects of changing environment, we must do things differently. We must plant trees.


How is ozone can be harmful or useful when it absorbs ultraviolet rays and changes into normal oxygen?

Ozone is useful. The oxygen forms again transforms to form ozone.


Is petrol used in a car engine gives off exhaust fumes useful or harmful?

Harmful, because petrol fumes are produced by various engines that are considered to be harmful. Also, they pollute the environment.


What are the three harmful effects of the changes in the environment?

Global warming, Acid Rain, Depletion of the Ozone Layer


Is a butterfly useful or harmful?

useful