Quick practice
Question 1 of 5
Which of the following are the possible positive effects of global warming?
1. Milder climates in polar areas
2. Opening of new trade routes
3. Improved agricultural yields
Select the correct answer using the codes given below:
A
1, 2 and 3
B
1 and 2 only
C
2 and 3 only
D
1 and 3 only
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