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.
Answer:
it is B!
Explanation: have a good day!
Martin Luther King dedicated his life to love and to justice for his fellow human beings, and he died because of that effort.
Crusoe values loyalty but often gains it through manipulation.