Based on the fossil evidence on the map above, what argument can be made to support that the continents were once joined together? A. The Lystrosaurus fossil can be found on the continent of Antarctica and Australia, therefore these two continents were once joined together. B. The Cynognathus fossil can be found on the continent of Antarctica and Australia, therefore these two continents were once joined together. C. The Cynognathus fossil can be found on the continent of South America and Africa, therefore these two continents were once joined together. D. The Lystrosaurus fossil can be found on the continent of South America and Africa, therefore these two continents were once joined together. WILL GIVE PLZZ HELP FAST IT'S FOR A TEST!!!

the law of conservation of mass states that in a chemical reaction, the total mass of reactants is equal to the total mass of products. because atoms are only rearranged in a chemical reaction, there must be the same number of sodium atoms and chlorine atoms in both the reactants and products

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.