Chlorofluorocarbons known as ozone-depleting substances are used in which of the following?A. Production of plastic foamsB. In cleaning certain electronic componentsC. As pressurizing agents in aerosol coins.Choose the correct codes from the given below

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Q:53

Chlorofluorocarbons known as ozone-depleting substances are used in which of the following?
A. Production of plastic foams
B. In cleaning certain electronic components
C. As pressurizing agents in aerosol coins.
Choose the correct codes from the given below

A and B only

B and C only

A,B and C

None

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What is the importance of Sea Buckthorn?
A. Helps in controlling soil erosion and in preventing desertification
B. Has nutritional value and is well-adapted to live in cold areas of high altitudes
Choose the correct codes from the given below

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