Multiple choice

As part of their digestive process, cattle and dairy cows belch what gas?

  1. Carbon dioxide

  2. Carbon monoxide

  3. Methane

  4. Nitrogen dioxide

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

Cattle and other ruminants have specialized digestive systems that involve fermentation, which produces methane as a byproduct. This methane is released primarily through belching.