What two substance are found in the greatest abundance among the major salts dissolved in sea water?

a. potassium and iron
b. nitrogen and chlorine
c. sodium and chlorine
d. magnesium and potassium

Sodium  and chlorine are the two substance that are found in abundance.

Explanation:

The sea water consist of several salts but the salt that we get the most is the sodium chloride(NaCl). Like other salts sodium chloride is also dissolved in water in form of ions. There are higher concentration of ions.

There are six abundant ions , they are chlorine, sulphate, sodium, magnesium, potassium and calcium. ninety nine percent of the sea water is covered with sea salts. But among the seven salts substances such as sodium and chlorine is found in abundant.

answer: i dont know tbh

explanation:

the sun warms our planet, and with the moon, creates the tides. the moon orbits the earth and in turn, the earth orbits the sun. because they appear to be the same size in the sky, the sun, earth and moon work together to create eclipses. when the moon is directly in between the earth and sun