★ Biology Quiz
A substance that cannot be broken down into simpler chemical substances is called ___.
A. an atom
B. an element
C. a compound
D. a covalent bond
Select your answer:
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Nutrition › ViewWhich nutrient?
A. Fibre
B. Fats
C. Carbohydrates
D. Proteins
Types of Doctors › View
Medico general
A. Dermathologyst
B. General doctor
C. Ofthalmologyst