Why is the very center of Earth's core a solid and not a liquid? ...

[pane00]

Why is the very center of Earth's core a solid and not a liquid?
 
  a. There is less metal in the central core.
 b. The central core has a combination of gases with the metals.
 c. Accretion seeded Earth with a solid central core.
 d. The pressure at the central core raises the melting point of the metals higher than its temperature.
  e. The central core is a frozen block of water ice.

Question 2

There is a mass-luminosity relationship because stars support their weight by generating energy, and more massive stars have more weight to support.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[karlss]

Answer to Question 1

d

Answer to Question 2

True

[pane00]

Thanks

[karlss]

Welcome