1. Which type of pollution inhibits observation of stars and planets at night time?

Light pollution

Explanation:

The presence of the Moon in the night sky has hindered astronomical observation by increasing the amount of ambient brightness.

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.