<span>An earthquake's point of initial rupture is called its focus or hypocenter. The epicenter is the point at ground level directly above the hypocenter.</span>
Answer: C) Earth’s Interior
Explanation:
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.
Example picture for a valley
Explanation:
A valley formed by flowing water, called fluvial valley or river valley, is usually V-shaped. The exact shape will depend on the characteristics of the stream flowing through it. Rivers with steep gradients, as in mountain ranges, produce steep walls and a bottom.