Question

Ocean salinity is usually expressed in _____.

charts and graphs
chemical formulas
parts per billion
parts per thousand

Answer 1

Ocean salinity is usually to expressed into their one parts per thousand. And the correct answer is D. parts per thousand. Then the wrong answer should be A. Charts, and graphs, B. Chemical formulas, and C. Parts per billion.

Hope it helped!

Answer 2

Answer: parts per thousand

Explanation:- Salinity is the total amount of solid material dissolved in water.

1. Charts and graphs are used to represent a set of numerical data in pictorial form.

2. Chemical formulas is the formula which depicts the number of atoms of each element present in a substance.

3. parts per billion is used to express the concentration of very dilute solutions.It is used when 1 part of the solute is dissolved in
`10^9` parts of the solution.

4. parts per thousand is used to express the concentration of dilute solutions. It is used when 1 part of the solute is dissolved in 1000 parts of the solution.