Explanation:
The best way to separate the mixture is by using a bar magnet. We explore the magnetic property of the iron fillings in the mixture to separate it out.
- The mixture is spread out thinly on a flat surface.
- A bar magnet is hovered above the spread of the mixture
- The magnet attracts the iron fillings to itself
- This will leave the salt behind in the mixture.
The transfer of energy that occurs when a force is applied over a distance is WORK.
Hope this helps!
D because Carbon and Oxygen form covalent compounds. I wasn't the greatest at chem., but I'm pretty sure this is correct :D let me know if I gave you the right answer.
Janice’s yard was probably not exposed to as much sun and heat as the yard across the street
1 = Salt
2 = Lead
3 = Magnesium
4 = Silver