Gaseous phase have no system and are more widespread than other states.
Answer:A theory is a well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses and facts.
Explanation:
The iron filings<span> can be separated with a magnet. The </span>wood chips<span> can be separated by adding water to the water and picking the floating </span>wood chips<span>from the top. The </span>sand<span> can be separated by pouring the water/</span>sand/salt<span>mixture through a coffee filter or a paper towel</span>