B. Gain information about the current state of the environment and ways to improve it.
A. High intermolecular forces of attraction. If there are high intermolecular forces, the molecules will need large energies to escape into the liquid. The substance will nave a high melting point.
The other options are <em>incorrect </em>because they are <em>weak force</em>s. They would cause <em>low melting points</em>.
-Positively charged nucleus
-Empty spaced
-Dense core
Answer:
it cannot be separated by physical methods
Explanation:
