True, because atoms bonds together and form molecules in different sizes and shapes.
Sublimation( solid---gas) is extremely rare because the particular solid needs to exert a high amount of vapor pressure to the extent that it is greater than atmospheric pressure.
Anaphase I begins when the two chromosomes of each bivalent (tetrad) separate and start moving toward opposite poles of the cell as a result of the action of the spindle. Notice that in anaphase I the sister chromatids remain attached at their centromeres and move together toward the poles.
Protons: positive
neutrons: no charge
electrons: negative
