Oxygen and carbon dioxide
Answer:
i believe it is strong acids, strong bases, and salts.
Explanation:
Hope this helps : )
A solid will start to melt when it reaches its melting point. For example the melting point of Helium is -272° Celsius and the melting point of Carbon is 3500° Celsius . Helium has the lowest melting point and carbon has the highest melting point in the periodic table.
Answer:
number of individuals
Explanation:
calculated by dividing the number of people by area
