Answer:
Separating Sand and Salt
Probably the easiest method to separate the two substances is to dissolve salt in water, pour the liquid away from the sand, and then evaporate the water to recover the salt.
Answer:
A
Explanation:
I think that is the ans but am not sure
Alcohol, alcohol is the only liquid since copper and aluminum are a solid ammonia is a bacteria
Answer:
Should be 0.6106 though i could be wrong
Explanation:
The formula of work is Work (Joules)=Force (Newtons) · distance in the direction of the force (meters), therefore its just a matter of replacing factors.
Work done = 12 · 4.5= 54 joules
