Copper should not be disposed of in landfill sites
because the dust and waste gases of copper is very harmful to the environment. It
can leached into the ground possibly affecting the underground water.
Answer:
For and object to sink, it must have more density than the liquid in which it is placed. For example, if you have a glass of water and a metal spoon, the spoon will sink because it is both heavier than the water, therefore having more density.
Answer:
liquid has more attraction between molecules. It takes energy to break these forces to change the liquid to a gas.
Explanation:
because liquid has more attraction
