Answer:
what is the question. . .
Answer:
anyone know this or should i get my brother
Answer:
He requires 1 gram of mass.
Explanation:
The density is defined as:
(1)
Where m is the mass and V is the volume.
Then, m can be isolated from equation 1 in order to determine the mass.
(2)
Hence, he requires 1 gram of mass.
Not 100% sire but I think it'd be Yellow since we see red and green light together as Yellow