Multiple choice

Plants or producers absorb _______ _______ and then give off oxygen as their waste.

  1. carbon cycle

  2. carbon dioxide

  3. carbon monoxide

  4. helium
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Producers, such as plants, perform photosynthesis by absorbing carbon dioxide and sunlight to create energy, releasing oxygen as a byproduct.

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