Answer:
To find out what water is made of, it helps to look at its chemical formula, which is H2O. This basically tells us that the water molecule is composed of two elements: hydrogen and oxygen or, more precisely, two hydrogen atoms (H2) and one oxygen atom (O). Hydrogen and oxygen are gases at room temperature.
Explanation:
Answer:
Keeps tides on the shore and away from the city
Explanation
Explanation:
It's (D), nuclear fission................
D will because water just turns from liquid to a gas by adding heat. That is a physical change. The other equations are chemical changes.