No, why? Cause if you're winding up the clock it's basically doing what it needs to do. So there's no need for batteries.. I hope my sad sentence make sense :p
A homogenous mixture is uniform and thus hard to recognize as a mixture. An example is water!
Answer:
In addition to aluminium, the main materials in duralumin are copper, manganese and magnesium.
Explanation:
5 I don't know what is the answer if I got it wrong
Answer: No
Explanation: It's not balanced because four oxygen atoms in H2SO4, whereas there are 5 oxygen atoms in the reactants side. Also, there's more hydrogen atoms on the reactants side.
I hope this helps!