There is more than one conjunction in the sentence, the word but acts as a coordinating conjunction. Also the words not only and but also act as a correlative conjunction.
Some diamonds are more phosphorescent than others, and different faces of a crystal may display different tints.hopefully this helps
The correct answer is A.
Gregor's mother has been prevented from seeing Gregor for some time. When she finally sees him on the wall, covering the photo of the woman in furs, she falls onto the sofa and faints from fear. She is terrified of his new appearance.
Answer : B. some of the police force
Among the choices above, it is the phrase in letter b wherein the pronoun "some" refers to a single noun which is " the police force". As you can see, the police force refers to a group of policemen making it a collective noun taking the singular form of the verb. The other objects of the pronoun "some" in the other options are all in plural form such as economy cars, native people, and the 6y foods.