The major ingredient of leather is__________________...? Mcqs

✅ Correct Answer: Collagen

✅ Correct Answer: red-brown liquid

✅ Correct Answer: Mineral

✅ Correct Answer: smallest particle of an element which can undergo a chemical reaction

✅ Correct Answer: 997 kg/m³

✅ Correct Answer: Distant object clearly

✅ Correct Answer: A class of nucleic acids

✅ Correct Answer: A sea bird

✅ Correct Answer: Electrical Conductance