1. Iron fillings are magnetic, so use a magnet to pull the iron fillings out of the mix.
2. Then you can put the salt and sand mixture into water, since salt is soluble, and the salt will dissolve, leaving you with sand.
In order for plants to go through photosynthesis, they must use <span>B. visible light.</span>
Answer:
substitution is the best method or collecting like terms
Explanation:
The atomic # and the mass #.
