Eta Carinae is an example of a

A) black hole.
B) supermassive star.
C) red dwarf.
D) nebula.
E) stellar nursery.


B

Physics & Space Science

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The precipitation of and crystallization of evaporite minerals is very similar to the crystallization of minerals from a magma. The first evaporite minerals to precipitate (crystallize) are those with the

A) lowest solubility. B) highest melting point. C) lowest silica content. D) highest solubility.

Physics & Space Science

How far does light travel in 1.0 ?s? (c = 3.0 × 108 m/s)

A) 3.0 × 1014 m B) 0.30 km C) 3.0 m D) 30 cm

Physics & Space Science

The outer core is thought to be molten because it

A) is denser than the inner core. B) will not transmit P-waves. C) is made of iron and nickel. D) will not transmit S-waves.

Physics & Space Science

_________corrosion is intense, localized corrosion that occurs when a material has areas of restricted exposure to an electrolyte.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science