Answer:
The spectral types and sub-classes represent a temperature sequence, from hotter (O stars) to cooler (M stars), and from hotter (subclass 0) to cooler (subclass 9). The temperature defines the star's "color" and surface brightness. ... Stars are also classified by luminosity class.
Explanation:
Answer:
D) Phosphorous catches fire in air.
<span>I believe its called, tributaries</span>
The answer is B.sedimentary
B) is the answere
because it is nigeria and it is a weak government in that country they speak many languasges