- Sea water is salty because it contains a lot of salt.
About 35 grams of salt are dissolved in 1 liter of sea water.
Sea water is the water in the ocean, occupying 97% of the earth's water body.
The seawater in the early days of the earth was acidic, but the current seawater is alkaline.
Humans can extract more than 60 chemical substances from seawater.
The water here is very clean.
Scientists have discovered that there are so many plastic particles in seawater, which is quite surprising.
The organic matter in seawater is mainly produced by the metabolism and death process of marine organisms.
Sea water is not suitable for human consumption.
When you are drifting on the sea, you should not drink sea water because you are thirsty, otherwise you will consume too much salt.
There are a large number of plankton and microorganisms in the sea water.