Answer:
(upper right) corner of the periodic table to the bottom left corner
not sure but h = hydrogen and o = oxygen
Answer:
The temperatures of the objects must be different
Explanation:
if heat is flowing between two objects, then the objects must be at different temperatures.
Metals are all in the center of the periodic table and are all made up of metals
Answer:
Radioactive dating is a method of dating rocks and minerals using radioactive isotopes. This method is useful for igneous and metamorphic rocks, which cannot be dated by the stratigraphic correlation method used for sedimentary rocks. Over 300 naturally-occurring isotopes are known.