In the equatorial ocean, the salinity decreases. Choose the correct reasons,
1. Large rivers like Amazon and Congo enters the sea
2. A very little amount of evaporation
3. Heavy shower on a daily basis
4. Waters from the arctic and Antarctic mix with the waters of the equator
Choose the correct answer from the codes given below.
1
1 and 2
2
2 and 3
3
1 and 3
4
1 and 4