The answer is earth's crust
He thought that behavior is determined by its consequences.
The answer is D) <span>Water has a high heat capacity.</span>
They have a different number of neutrons. What defines what kind of element something is is how many protons it has. Hydrogen will always have 1 proton, because that's what makes it hydrogen. However, it is allowed to have different numbers of neutrons, like 0,1, or 2. They are all in the family of Hydrogen, but they are different isotopes of hydrogen. Hope this helps!
