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Our Environment — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceOur Environment3 Marks
Question
“Damage to the ozone layer is a cause for concern.” Justify this statement. Suggest any two steps to limit this damage
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Answer

Damage to the ozone layer is a cause for concern because the harmful ultraviolet (LTV) radiation from the sun will reach the earth. This radiation is highly damaging to organisms, for example, is known to cause skin cancer in human beings.Steps being taken to limit this damage are:
  1. Reduce the use of ozone depleting substances Eke the chlorofluorocarbons (CFCs).
  2. Do not release untreated CFCs present in ACs, fire extinguishers and refrigerators directly into the atmosphere when repairing them.

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