Chemistry, asked by thakursince2009, 5 months ago

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Answers

Answered by smrdas052
0

Answer:

3 a... Ultraviolet Radiation

b... Breathing

c... Nitrogen

d... Hydrogen

e... Nitrogen

Answered by Anonymous
0

Answer:

3. (a) Ultraviolet radiations

(b) Breathing

(c) Nitrogen

(d) Helium

(e) Nitrogen

4. (a) True

(b) True

(c) False

(d) False

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