I need help with 2 questions . Please help c:

1 . According to the nebular theory, the solar system formed from ?

accretion of protoplanets.
a large, thin cloud of dust and gas.
colliding planetesimals.
all of the above

2. Which of the following statements explains why the terrestrial planets are small and rocky instead of large and less dense like the gas giants?

The inner planets were exposed to much higher temperatures.
Ice-forming compounds vaporize at high temperatures.
Rock-forming materials can condense at high temperatures.
all of the above

Question

I need help with 2 questions . Please help c:

1 . According to the nebular theory, the solar system formed from  ?

accretion of protoplanets.
a large, thin cloud of dust and gas.
colliding planetesimals.
all of the above

2. Which of the following statements explains why the terrestrial planets are small and rocky instead of large and less dense like the gas giants?  

The inner planets were exposed to much higher temperatures.
Ice-forming compounds vaporize at high temperatures.
Rock-forming materials can condense at high temperatures.
all of the above

anonymous · Answer

I'd say the answer to both is: All of the above

anonymous · Answer

im dealing with the same ones... id say read the section... i know its not fun to do so... but...

kendricklamar2014 · Answer

1. All of the Above
2. All of the Above
3. Material from previous stars

3/3 100%