If a dog lost a litter of puppies she might foster a litter of kittens because she think they we here litter
I belive it is D because it is a scientific reasons and it gives you data to learn off
The answer is sentence fragment
Nouns are parts of speech used to identify and name a class of people, things, places. The nouns in this sentence are MOON which is the subject, CRATERS, and SURFACE. It can be easily identified if an article can be used before the noun
