Which sentence uses sophisticated vocabulary? a. look at the clouds! b. the sky is a beautiful turquoise blue with soft white clouds. c. there are clouds in the sky. d. the clouds are moving.

The correct answer would be B

All the other sentences use simple words like, “look”, and “moving”

While answer choice b uses sophisticated, or more complex words such as, “beautiful”, “turquoise”, “soft”

I hope this helps!