Consider the following statements 1 ozone layer shields earth from the harmful ultraviolet 39 A 39 r...........

Environment and Ecology NCERT

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Consider the following statements :

1. ozone layer shields earth from the harmful ultraviolet 'A' radiations.

2. bromine is more effective at destroying ozone than chlorine

choose the correct answer using the code below

1 only

2 only

both 1 and 2

neither 1 nor 2

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Explanation:

UV 'A' is not filtered as significantly by the atmosphere. the ozone layeris a belt of naturally occuring gas ' ozone'. it serves as shield from the harmful ultraviolet ' B '. researchers have found that bromine is more effective at destroying ozone than chlorine.