"Features like these have never been seen on comets," Chief Project Scientist, Dr. Brownlee
commented
Which text feature, if added to the passage, would best clarify the idea that the Wild 2 is different
from most other comets?
A a table summarizing the key features of Wild 2
B
a diagram with labels explaining the structure of Wild 2
ะก
a times
Anmarizing the major discoveries made about Halley's comet
D
a photograph of Wild 2 and a photograph of Halley's comet placed side by side