In cold climates, the amount of snow on the ground may decrease even if the temperature stays below zero degrees celsius. the process that best explains this event is
a. condensation.
b. sublimation.
c. melting.
d. evaporation

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397