Answer: its the first one
Explanation:
The answer is B an adjective
The noun in this sentence which is uncountable, meaning that it names something that cannot be counted is the noun water.
You cannot count how many waters there are - it is uncountable. The other nouns, students and pitcher are countable, so they cannot be the correct answers, but rather water is.
Intonation refers to <span>the change in the pitch (high or low sound) of the voice. An example of intonation is when a person makes a statement or asks a question. The difference in pitch at the end of a statement and question show the importance of intonation. When reading poems, intonation is also useful in the dynamics of the speaker's attitude and emotions.</span>