Question

1. the salinity of water is generally expressed in: kilograms per liter of water. percentage per thousand. parts per thousand. percentage per liter. total weight per pound.

Explanation:

Salinity is the amount of salt dissolved in water. It is commonly measured in parts per thousand (ppt or ‰). This unit represents the number of grams of salt per kilogram of water. Kilograms per liter is not standard for salinity. Percentage per thousand is not the correct term (parts per thousand is). Percentage per liter is incorrect. Total weight per pound is also not a standard unit for salinity.

Answer:

parts per thousand.