Scientists have recently discovered a community of bacteria and clams living under an ice shelf in antarctica. these organisms live under 600 feet of ice, in the absence of sunlight, and in temperatures considered too cold for most living organisms. the location where these organisms live is unusual because

what bodys are there orbiting?

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.