which percentage of earths oceans is dissolved salts?\n3.5 percent\n30.6 percent\n55 percent\n96.5 percent

which percentage of earths oceans is dissolved salts?\n3.5 percent\n30.6 percent\n55 percent\n96.5 percent
Answer
Brief Explanations:
Ocean water is about 96.5% water and 3.5% dissolved salts by mass. This is a well - known fact in the study of oceanography which is related to Environmental Sciences (a sub - field of Natural Science).
Answer:
A. 3.5 percent