Which of the following is a substance?

A) smoke
B) salt
C) granite
D) brass

smoke it is smoke answer a

B) salt

Explanation:

It is considered a substance because it has a uniform and definite composition.  Salt easily dissolves in water, but salt water cannot be classified as a substance because its composition can vary.

Hope this helped!!!

the genotypes would be 50% bb and 50% bb

the phenotypes would be 50% brown and 50% white. hope this : )

i don’t no. suiopgohjk