Sodium Chloride (table salt)
While there are probably many different types of salt in all seawater, the type that we see most is just classic table salt (NaCl)
Gonna need a bit more information then that if you want an answer.
Answer
Your lower intestine of your body
Answer: sunlight.
Explanation: When trying to establish the level or extent of correlation or relationship which exists between two variables, the variables are classed as independent and dependent variables. The independent variable is referred to as the variable which causes a change in the value of the other variable (dependent variable). It is also known as the explanatory or predictor variable as it lead to changes in the dependent or predicted variable. In the scenario above, the independent variable is sunlight whose impact leads to changes in the growth level of the plant.