I NEED HELP WITH THESE THREE QUESTIONS QUICKLY

Question 1 (1 point) Listen In a diagram depicting the solar system as geocentric, what is located at the center? the moon Earth the sun Mars Question 2 (1 point) Listen According to the nebula theory, the solar system formed from a large cloud of dust and gas O gravity pulling dust and gas into a ball O spinning flattening out a sphere O all of the above Question 3 (2 points) Listen Bright 100,000 Luminosity (Suns) 20,000 Supergiants 1,000 Main sequence 100 Giants 10 0.1 0.01 0.001 White dwarfs Temperature (K) 0.0001 50,000 20.000 10.000 5.000 2.000 Dim Using the picture of the H-R diagram above, compare the supergiants and white dwarfs. Provide at least 3 similarities and/or differences