Can anyone help me please.

1) in the era after world war i and before the great depression, american towns grew rapidly because of

Animations and transitions are added from the

You find a mysterious, dull substance on the ground and pick it up for a closer look. it is powdery, very light, and soft to the touch. the substance is most likely i. an organic mineral ii. a metallic mineral iii. a nonmetallic mineral i only ii only iii only i and ii i and iii