You are presented with the question "What are the two ingredients of a saline solution?" and the following answer choices: 
- salt and water.
 - Deoxyribonucleicacid
 - water and iodine
 - looseness
 - Veins and arteries.
 - salt and calcium
 - salt and oxygen
 - deoxyribonucleic acid

Now knowing that asolution is formed by one substance being dissolved in another substance and salinity refers to salts dissolved in water, choose the best answer.


 

 salt and water.        