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No, it is false.

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Q: Are all man-made chemicals harmful to mankind?
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Are there any harmful chemicals in matter?

yes. All matter is 'chemicals' and some of them are harmful, so somematter does contain harmful chemicals.


Why should goggles or protective eyewear be worn at all times when working with chemicals?

When working with chemicals there may be harmful/dangerous stuff in there so if a harmful chemical gets in your eye you will get hurt terribly.


How many chemicals are in the cigrate?

In one cigarette there is exactly 4,000 harmful chemicals. All Chemicals affect on our Respiratory system which means Throat, Lungs and Heart. Either It will affect on your brain.


Are cleaners with ammonia or Spic and Span harmful to cats?

Yes! Chemicals of all kinds are dangerous for all animals, including cats. Use extreme care when cleaning with chemicals in a household where there are pets.


What structure keeps harmful chemicals out of animals cell?

The cell membrane is what keeps harmful chemicas out of an animal cell. It regulates traffic of all chemicas and proteins in and out of the cell.


Does smoking make you break out?

yes it does all the harmful chemicals in them cause the oils in your skin to react to them as a resault in pimples


Does smoking tea harm you?

it depends. some tea has chemicals that can be harmful in smoke form. my answer would just to not do it at all


3 Why do you tend to assume that natural chemicals are safe while industrial chemicals are evil?

The fact is, both can be harmful. Natural chemicals such as Arsenic prove fatal. Theories that all chemicals were bad were likely launched by the Exxon Valdez oil spill.


Are humans manmade or natural?

we are all natural because we weren't made in a factory we were made natural.Things that are made in factorys are manmade we are not manmade we are natural. Katrina LaChance- Bermuda138


What is the source of harmful chemicals?

the source of harmful chemical is actually produced by factories all over the world,as when the factories operate,c02,also known as carbon dioxide,is produced during process and is generated out into the air.so that is when harmful chemicals are brought ito this world.so,what are the factoris producing to bring this harmful chemical into the world?it is actually due to human activities.like inventing cars and other stuff.


How does smoking hurt the process of breathing?

Yes, it enters smoke and numerous other harmful to the body chemicals that do all sorts of things.


What is the most harmful to your teeth coke coffee or orange juice?

Coca Cola. Because of all the preservatives and chemicals. Even though the acidity of orange juice is a harmful, it's no where as near bad as Coke.