Answer: Proteins
Explanation:
Chhurpi is considering a substitute for vegetables and it is a great source of protein. It is also found in dog chew because it has high protein content and tanginess which is great for the production of this kind of food for dogs.
Chhupri is used in the mountains regions of Darjeeling hills, Sikkim, Bhutan, Nepal, and Tibet.
Answer is B because it’s a covalent bond holding 2 atoms together
skeletal system and the muscular system,
Muscles are attached to the skeleton and work assuming that the skeleton is there; for example, there is no muscle that makes sure you don't bend the middle of your arm, as it's stable because there is a bone in it. Basically, the skeleton is a scaffolding for the muscles.
the skeletal system and the nervous system,
Many nerves run along the skeleton, or even inside the bones, and the bones protect the nerves; for example in the spinal cord
the muscular system and the nervous system.
The Nervous system controls the muscles; it sends the muscles commands