Author Question: Which of the following will cause the lowest air pressure at the surface? A) A column of cool, ... (Read 52 times)

Yolanda · **on:** Aug 22, 2018

Which of the following will cause the lowest air pressure at the surface?

A) A column of cool, dense air
B) A column of cool, less dense air
C) A column of warm, dense air
D) A column of warm, less dense air

Question 2

Which of the following best describes hydrogen bonding?

A) Strong electrostatic attraction between oppositely charged ions
B) Very strong bonding between cations and anions
C) Very strong bonding from the sharing of electrons between atoms
D) Electrostatic attraction between charged areas of adjacent molecules
E) Weak interactions that become significant when molecules are very close together