Author Question: How long does the protostellar stage last for a star like our Sun? A) 1 million years B) 3 ... (Read 59 times)

shofmannx20 · **on:** Jul 27, 2018

How long does the protostellar stage last for a star like our Sun?

A) 1 million years
B) 3 million years
C) 10 million years
D) 30 million years
E) 100 million years

Question 2

The terrestrial planets in our solar system are

A) Mercury, Venus, Earth, and Mars.
B) Jupiter, Saturn, Uranus, and Neptune.
C) Mercury, Venus, Earth, Mars, and Pluto.
D) Jupiter, Saturn, Uranus, Neptune, Pluto, and Eris.