Question

Which of these is a physical property of wood?

A.
Wood can burn.

B.
Wood can rot.

C.
Wood does not rust.

D.
Wood is softer than coal.

Answer 1

nvm

Answer 2

D. All the others involve chemical reactions. Hardness is a physical problem. You press into the thing whose hardness you want, and how far in you go tells you how hard. So, you'd get not very far with a diamond or a piece of tungsten metal, but with wood you'd get further.

Answer 3

thanks