The answer is gypsum as 2 is lower than 2.5 and since the other minerals are very hard, it would cause damage to the fingernail since the fingernail's hardness is 2.5.
Answer:Large molecules made up of many small organic molecules that are often referred to as monomers. Macromolecules are polymers of monomers.
Explanation:
1. C. prey-predator
2. A. competition between lizards and frogs for food
D. Bacteria showing resistance to antibiotics survive after antibiotics are used .
Crocodiles belong to Reptiles. Reptiles are <span>a cold-blooded vertebrates. </span>
