About 300 million years ago, the land of Earth was in a single mass known as Pangaea, as shown in Figure A below. About 150 million years ago, Pangaea broke up into the land masses shown in Figure B. Based on the diagrams, the fossils of species on continent X would be most similar to those found where else?

Alpha particles have positive charge, beta particles have negative charge, and answer 4 just doesn’t make sense. thus, you are left with only one possible answer.

You would be correct, boiling water does disinfect contamination.    the property of disinfecting means to kill  germs, bacteria and other pathogens or contamination  that might cause an infection or cause a person to become sickly. a couple methods of disinfecting are using soap, other cleaning supplies or by simply "boiling" the contaminate.  the reason why boiling water disinfects certain attributes is because some cells cannot survive the heat and pressure.