During cooling, the kinetic energy of the molecules falls. why does this happen?
a.
the motion of the molecules increases.
b.
the motion of the molecules slows down.
c.
the van der waals forces between molecules decrease.
d. the forces of attraction between the molecules are overcome.

a covalent bond, specfically triple bond

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.

ok yes, but what is the question? as soon as you ask the actual question i will answer it. : )