Consider the following two statements:- |
Statement 1: Air keeps us alive. |
Statement 2: Air is required for burning. |
Which of the following is correct with respect to the above statements? |
1. | Trees | (a) | Live without air |
2. | Animals | (b) | Take oxygen |
3. | Animals and plants also | (c) | Give out oxygen |
4. | Nonliving things | (d) | Breathe |
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