Which is the answer for the question

How to tell if a molecule is polar or nonpolar with electronegativity

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.

Is the portion of the electromagnetic spectrum that has a frequency just above that of visible light.