Domestic livestocks; cattles and sheeps produces methane from their by products such as cow dungslfaeces and manures.
CTET Solved Paper MCQ - UTET January 2017
Increasing concentration of toxic chemical in the food chain is called biomagnification. In simple terms, it means increased in toxicity at successively higher levels in a food chain.
Kedarnath Wild Life Sanctuary in Uttarakhand is known for the Musk deer. Here, the sale purpose is to protect the endangered Himalayan Musk deer.
