Question

Which of the following factors cause variations in seawater density, leading to ocean currents? 1- Sun's gravity 2- Wind 3- Moon's gravity 4- Temperature and salinity

Answer 1

Answer: Temperature and Salinity

Step-by-step explanation:

Temperature and salinity both contribute to variations in seawater density. Variations in seawater density cause currents to start flowing from low-density regions to high-density regions.

Answer 2

Temperature and salinity