Answer:
it should be momentum if im not mistaken
Answer for this question might be number 2
First of all what the heck to the other guy that answered. And the correct answer is FALSE :))
Since hydrogen bonding is a stronger intermolecular force than van der Waals forces, more energy is required to separate the molecules of ethanol than the molecules of ethane. Thus ethanol has a higher melting point than ethane.
homo sapiens leave africa at approximately 200,000 years ago.