Multiple choice

Directions: Select the alternative that exhibits a relationship similar to the relationship between the pair.

HUMANS : OXYGEN ::

  1. crustaceans : water

  2. fauna : hydrogen

  3. animals : element

  4. plants : carbon dioxide

  5. snakes : limbs

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Humans breathe oxygen. Plants breathe carbon dioxide.