Answer:
Lava
Explanation:
Once magma leaves the inside of the earth, it just gets a new name, which is lava.
Oxygen<span> is a </span>chemical element<span> having a symbol </span>O<span> and having an </span>atomic number<span> 8.
Oxygen is a pure substance , and it is not a mixture or solution, Niether it is a compound ... Instead , it forms chemical compounds by reacting with other elements.
So , according to above explanation ,
A. A pure substance , is the correct answer.</span>
A nonmetal and a nonmetal will make molecular compounds like H2O and CO2
