Final answer:
Sentence 1, Sentence 3, and Sentence 4 from the sources best support the reason stated on the notecard.
Step-by-step explanation:
Sentence 1, Sentence 3, and Sentence 4 from the sources best support the reason stated on the notecard.
Sentence 1 states that typhoid, cholera, and diarrhea from unsafe water kill hundreds of thousands of children each year.
Sentence 3 mentions that almost 300,000 children die each year from diarrheal related diseases from poor sanitation and unsafe drinking water.
Sentence 4 further explains that each year contaminated water and poor sanitation contribute to 5.4 billion cases of diarrhea worldwide and 1.6 million deaths, mostly among children under the age of five.