Multiple choice general knowledge science & technology

Pick the odd one from the following options :-

  1. Acid Rain

  2. Photosynthesis

  3. Stomata

  4. Carbon and Oxygen cycle
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Acid rain is an environmental phenomenon caused by pollution, while photosynthesis, stomata, and carbon/oxygen cycles are all biological processes related to plants. Acid rain is the odd one out as it's harmful rather than a natural biological function.

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