Object Appearance
Composition
Aluminum
pans
10
Aluminum
Brass key
Copper and
zinc
Metal rings
Copper, silver,
and gold
Steel wool
pad
Iron and carbon
Which object represents a heterogeneous mixture?
N
A. Steel wool
B. Brass key
C. Aluminum pans
O D. Metal rings

answer:   you might love summer weather, but you don’t want it to feel like the sun is inside your car. but a hot car that just won’t seem to cool down might be a bigger of a problem than you think. your car relies on being at the right temperature.

explanation:

the electric field is a “force field” around a charged object that illustrates the direction the electric force would push an imaginary 

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide