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:
You can find the elevations by finding the contour interval and each line up count up
Raw material Used to make steel
Answer:
Explanation:
Avoiding meat and dairy products is one of the greatest contribution people can make to help this.
If you feel you can't fully commit to this, then avoiding red meat, especially beef, will help as this industry has the greatest effect on the climate.
Ideally converting to a vegan diet would help the most.