A student has a toy car that is green, made of iron(metal)and weighs 52 grams. If the student drops the car in a grassy field, how could the student find his toy car?
A.Use a magnifier lens to find the car by its color.
B.Place a sample of the field in water to find out its density.
C.Weight samples of the area to find a sample that is 52g.
D.Place a magnet over the area to attract the car