Which of the following does not lend support to the idea that ...

[karlynnae]

Which of the following does not lend support to the idea that Pluto is a Kuiper-belt object?
 
  A) Pluto has a cometlike composition and density.
  B) Pluto is regarded by many to be a planet.
  C) Some asteroids have their own moons.
  D) Pluto has a more eccentric orbit than other planets.
  E) Some known Kuiper-belt objects are hundreds of kilometers across.

Question 2

In stage 6 or 7 of the formation of a large cluster of stars, a nebula is formed around the cluster. This happens because:
 
  A) the number of stars is so great and so intense that the gas from the original cloud is ionized.
  B) the stars are out of their cocoons of dust and their radiation ionizes the gas from the original cloud.
  C) there are brown dwarfs everywhere in between the stars, so the gas is lit up by their low-intensity light.
  D) there are thousands of Sun-like stars with planets around them and the formation of planets ionizes the leftover gas.
  E) there are massive O and B stars emitting high energy photons that ionize the remainder of the cloud.

[sokh]

Answer to Question 1

B

Answer to Question 2

E