In the early 1900s toxic substances such as ammonia (NH3) and sulfur dioxide (SO2) were used in
1
refrigerators as

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Answer 1

Answer:

propellants

Explanation:

they were used to make aerosols sprays in aluminum spray cans


Related Questions

Describe how scientific investigations lead to new scientific questions.

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Answer: if new investigations occur, new questions would have to be asked to find out the things that are being researched.

Explanation:

Drag each tile to the correct location. Match each type of plant to the correct image.

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Answer:

How is anyone supposed to answer that when there’s no pictures to match so we can answer it

Explanation:

Visualize It!
6 Identify Name three examples of matter found in
this photo.

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Answer:

bag, human beings and bridge

what is corona virus and its symptoms?​

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Answer:

 fever, cough and shortness of breath. In more severe cases, infection can cause pneumonia, severe acute respiratory syndrome and sometimes death.

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