A biomass source is an natural material.
The sun is natural.
Manure is natural.
Wood Chips are natural.
Paper is natural and treated with unnatural substances.
Answer:
Answer: No. An ore is a rock having large amounts of a mineral. Minerals may or may not be commercially useful.
B.
Explanation:
iehebrkee keen enensjsb sh sry need to get the points?
W=F*d
W= 500 J
F = 250 N
500 J = 250 N * d
d= 500J/250 N = 2 J/N = 2(N*m)/N = 2 m
Answer is 2 m.
Answer:
A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change.
I hope this helps you understand! <3
