D. three-quarters of earth's water is fresh water.
I want my answer deleted I don't want to answer sorry I feel bad
Many observations provide a history that one may be able to surmise theories from.
Answer:
D. Auscultate lung sounds
Explanation:
find out what it is before you treat
other 3 options are treatments
Auscultate : stethoscope listening to lungs & heart sounds
furosemide is blood pressure medicine
saline is salt water
