Question

Animal manure can be contaminated due to

• A. Paper
• B. Wool
• C. Stones
• D. None of the above

Answer 1

The correct option is D None of the above

Animal manure is organic matter, which is used as a fertilizer in agriculture. The manure gets contaminated only when micro-organisms attack. Animal manure can improve the soil aggregation so that the soil becomes more fertile. Horse manure is mostly used in agriculture apart from the horse manure cattle manures like cow dung, sheep manure.

So, the correct option is ' None of the above'.