b. Polar covalent bonds. The polar N-H bonds hold the NH3 molecules together. They are <em>intramolecular forces</em> of attraction <em>within a molecule</em>.
All the other options are <em>wrong</em>. They are <em>intermolecular forces</em> — the attractive forces <em>between different molecules</em>.
I’m not sure but it has to be hydrogen
Answer:
stainless steel
Explanation:
stainless steel would heat up fast because it is made of metal
