1. 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.

Hi
Being logic it's not that hard: the answer should be A; Wood can burn is a physical property of wood.

The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.