7.Which of the following gases are contributor to the formation of acid rain?
1. CO2 II. SO2 III. NO2 IV. O2
a. I, II and III
b. I and II only
c. I, II and IV.
d. I and IV only
1. CO2 II. SO2 III. NO2 IV. O2
a. I, II and III
b. I and II only
c. I, II and IV.
d. I and IV only
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Answer:
7.Which of the following gases are contributor to the formation of acid rain?
1. CO2 II. SO2 III. NO2 IV. O2
a. I, II and III
b. I and II only
c. I, II and IV.
d. I and IV only
Explanation:
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