The O stars is the most luminous, then B, then A, F, G, K, and M stars are the least luminous_____ there must be a relationship between mass and luminosity.
Answer:
It's thought to have arisen from an amorphous cloud of gas and dust in space. The original cloud was spinning, and this spin caused it to flatten out into a disk shape. The sun and planets are believed to have formed out of this disk, which is why, today, the planets still orbit in a single plane around our sun.
Answer:
Brazil is not located in north America, it is located in south america.
BRAZIL
Answer: It decomposed into nutrients in the soil