Amino acids form peptide type of bonds...;
Explanation:
density(d) = mass(m) × volume(v)
given:
mass = 4.3 g = 0.0043 Kg
volume = 2.7 cm³ = 0.027 m³
= 0.0043 Kg / 0.0027 m³
= 0.15 Kg/m³
A B and C are all chemical changes. paper tearing is not.
The action or process of precipitating a substance from a solution.