Option d: copper.
Because copper is an element, not a mixture.
The molecules in gas are always trying to expand
Answer:
Surely with water
Ok, but how?
There are many Hydrogen Bond between H2O moleculs and london bonds. When fishes take water with their gill,they are broke london bonds. And they can take their needs, Oxygen. Only this.
Good luck :D
Answer:
umm i believe that the one you chose is correct
Explanation:
