Answer:
The second sentence:
The scientist said there is only one thing to be done to save our river: "Stop polluting the groundwater with fertilizers."
Explanation:
The other sentences do not make good use of the colons.
Colons are used between two independent clauses, e.g.
(He got what he worked for: he really earned that promotion.)
They are also used before a full sentence statement, like in this Question.
The other three sentences do not put the colons in the right places. Only the second one does so.
Hope this helps! (brainiest!)
The word Irish should be capitalized because it is a specific Noun! Answer choice D
1. Chemist. The chemist studies basic chemistry
2. Artist. The artist spent many days perfecting his painting
3. Studied. The students studied cells
4. Dependence. The dependence of our medical schools on grant funds
5.Published. The author published his first book in 1967
