Explanation:
Since the ratio is Cu/Fe, if some Fe were lost due to spillage, the Cu/Fe ratio would INCREASE because Fe would be lower.
Gravitational potential energy is the energy stored in an object relative to its position :)
Yes,covalent bonds do dissolve in methanol
Answer:
the agricultural revolution is the time where people went from mostly being Hunters and Gatherers to mostly farmers, a very long time ago
