Can be physically seen, heard, smelled, tasted, or touched. are able to be felt inside, but they are not things that can be experienced with your five senses. which answer best completes the above sentences?
a. common nouns . . proper nouns
b. concrete nouns . abstract nouns
c. countable nouns . . uncountable nouns
d. collective nouns . . compound nouns

B, Concrete Noun and Abstract Noun

Explanation:

Concrete Noun

As the name implies, they are nouns that can be physically seen and touched. if any of the five senses can affect a noun it is termed concrete noun. Examples of concrete nouns include flowers, pie, dog, etc.

Abstract Noun

Abstract nouns are contrasting to concrete nouns they are the nouns that we do not see or feel. Our five senses do not affect this type of noun, they are concepts like in nature. Examples of abstract nouns are honesty, truth, happiness.

given the fact that the question is about the detail that best support the idea that oppressive leaders use   propaganda to achieve thir goals,   the first option does not refer to any kind of propaganda, since it only tells about that the milk and the windfall apple should be reserved for the pigs. in the second option, that is, "snowball and napoleon sent out flights of pigeons whose instructions were to mingle with the animals on the neighbouring farms, tell them the story of the rebellion, and teach them the tune of "beasts of england". it can be identified that the oppressors make use of the propaganda, which is represented by the pigeons, and the information they have to tell other animals about what was happening in the farm in order to get their objectives. for that reason, the right answer is the second option, taking into account that the third option do not refer to propaganda since it only talks about that they did not want jones back. and, finally, the last option refers to the result of the given news, but it does not mean about the propaganda they used to achieve their goals.