Volume = length * width * height
Volume = 10 * 2 * 2
Volume = 40 m³
Just observing an physical property of a substance cant not change the substances identity. You can only figure out its identity through test and the figuring out of the elements! I hope I was of some help!!
Answer:
Option-D (Piece of Wood) is the correct answer.
Explanation:
Density is related to mass and volume as,
Density = Mass / Volume
For Wood,
Density = 42.5 / 50
Density = 0.85
You can calculate remaining densities by yourself. Among all the density of Piece of Wood is the least.
A pure substance and a element