A mixture called a solution, I think.
Silver is Ag from the latin Argentum
Lead is Pb from the latin Plumbum
Hydrocarbons. They usually burn. In fact, I can't think of one that does not.
Ideal gases are hypothetical gases whose molecules occupy negligible space and have no interactions, and that consequently obeys the gas laws exactly.
Not exactly sure about the amount...
I hope this helps! :)
Answer:
A.......
Explanation: The sun is the main source of energy