Question
English Question on Fill in the Blanks
Choose the best word to fill in the blanks
Owing to the combination of its proximity and_____atmosphere, Mars is the only planet in our solar system whose surface details can be discerned from the Earth.
A
viscous
B
ossified
C
rarefied
D
copious
Answer
rarefied
Explanation
Solution
The correct option is (C):rarefied.