Read the selection from the section "Check With Those Who Study Planets."
It gets old having to address the idea that because Pluto was "demoted" that it must be more like a lumpy little asteroid than the complex and vibrant planet it is.
Which two words would BEST replace "complex" and "vibrant" in the selection above?
A
simple and energetic
B
complicated and dynamic
C
active and confusing
D
mixed and idle
B
complicated and dynamic