Which atmospheric layer gets warmer as altitude increases?
Mesosphere
Stratosphere
Thermosphere
Troposphere

What is the nature of the ca-cl bond in a molecule of calcium chloride (cacl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.16?

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size