Can someone help me with this?? please

a. b - tightly and uniformly packed

b. c - tightly but not uniformly packed like solids, and not floating freely like the gases

c. a d and e - the compounds and elements are not packed together like liquids and solids

d. a and b - both are made up of no more than one element

e. c and d - both have multiple elements combined to create a compound

f. e - elements and compounds mixed together

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa

yes

ya te ayud espera