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Replacements for CFCs (dependding on use) included:

  • HCFCs
  • Nitrogen
  • Air
  • Propane
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Q: What substitutes for CFCs came into being after scientists discovered that CFCs were harming the atmosphere?
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What type of things destroy the atmosphere?

We harm the atmosphere in many ways. We smoke, and build things that put chemicals in the are harming the atmosphere. People could make things to keep from polluting the air. We are intelligent people, we can do anything we set our minds to.


How weed can remove without harming the environment?

Weeds can be removed without harming the environment by plucking the with hands. Allowing them to dry or adding them to ditches for prepration of manure.


Why is it important for scientists to follow a code of ethics when conducting research?

The code of ethics for scientists can take many specific forms depending on the type of research. Usually the points include:Not harming people (e.g. not destroying the world to prove the invention works)Not harming the environmentNot hiding hidden problems to make a project supportableNot having a hidden agenda (not being paid by someone for positive results)Not causing unnecessary pain or suffering to people or animalsBeing honest and not fudging the resultsActually doing the work describedNot hiding the results at the request if politicians or supportersAll od these points contribute towards work being done that is honest and useful which can be trusted.


Chloroflurocarbons may be harming the ozone layer by?

Chlorofluorocarbons (CFCs) were emitted during the 20th century from aerosols, refrigerators and other appliances. When CFCs reach the ozone layer (up to ten years later) the chlorine molecules separate and destroy ozone molecules. The chlorine survives and lives to fight again. CFCs can remain in the atmosphere for up to 75 years. CFCs are no longer being emitted to the atmosphere and scientists hope the ozone layer will have repaired itself by 2060.


What is a chemical that can kill bacteria with out harming the human body?

antibiotic

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What is one byproduct of slash-and-burn clearing of the rain forest that is harming the atmosphere?

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they can't. That is why some people want to ban scientists testing on animals because the animals always end up getting hurt or in some cases even dying


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Landfills are where garbage waste goes to sit and rot. A disadvantage to a landfill would be the atmosphere harming fumes and gases it would let of yearly.


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How are humans harming Antarctica?

People are harming Antarctica by global warming.


Is john ever going to be discovered for harming Charlotte in coronation street?

doubt it but on the corrie website it does say something about john regretting visiting charlottes parents so its a bit of a mystery


Is self-harming still self-harming even if I don't draw blood?

yes. drawing blood just means your harming to a higher extent


When you may be required to discharge the duty of care in order to protect from harming themselves or from harming others?

Give an example when you may be required to discharge the duty of care in order to protect a person from harming themselves or from harming others?


How plastic is harming your planet?

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How are the chlorofluorcarbons harming the ozone layer?

The Chlorofluorocarbons are harming the ozone layer. They decompose into halogens which destroy ozone.


Does man eat cranes?

A man CAN eat a crane. But most cranes are endangered or protected so if a person were discovered harming one or eating one they could be fined a lot of money or possibly do jail time.