Questions: What is methane?
a greenhouse gas produced by cows
a fertilizer
an herbicide
a pesticide
Transcript text: What is methane?
a greenhouse gas produced by cows
a fertilizer
an herbicide
a pesticide
Solution
Solution Steps
Step 1: Identify the nature of methane
Methane is a chemical compound with the formula \( \text{CH}_4 \). It is a simple hydrocarbon and is the main component of natural gas.
Step 2: Determine the role of methane in the environment
Methane is known to be a potent greenhouse gas. It is released into the atmosphere from various sources, including natural processes and human activities.
Step 3: Identify the sources of methane emissions
One significant source of methane emissions is the digestive processes of ruminant animals, such as cows. These animals produce methane as a byproduct of digestion, which is then released into the atmosphere.
Final Answer
\(\boxed{\text{a greenhouse gas produced by cows}}\)