All the following statements are true. Which one can be ...

[Mimi]

All the following statements are true. Which one can be attributed to the exclusion principle?
 
  A) If we know the location of an electron quite well, we will have little idea where it is going next.
  B) If an electron and antielectron meet, they will turn into energy through mutual annihilation.
  C) An electron has energy equal to its mass times the speed of light squared.
  D) Two electrons with the same spin cannot occupy the same energy level in an atom.

Question 2

Plants and animals belong to the phylum
 
  A) annelida
  B) echinodemata
  C) cnidaria
  D) chordata

[Jossy]

Answer to Question 1

D

Answer to Question 2

D

[Mimi]

TYSM

[parshano]

Thanks for the timely response, appreciate it