Natural or Human-made?

COTTON: Natural or human-made?

• Natural

• Human made

GOLD: Natural or human-made?

• Natural

• Human-made

RUBBER: Natural or human-made?

• Natural

• Human-made

PLASTIC: Natural or human-made?

• Natural

• Human-made

SILK: Natural or human-made?

• Natural

• Human-made

ICE: Natural or human-made?

• Natural

• Human-made

PAPER: Natural or human-made?

• Natural

• Human-made

SAND: Natural or human-made?

• Natural

• Human-made

PAINT: Natural or human-made?

• Natural

• Human-made

FEATHERS: Natural or human-made?

• Natural

• Human-made