I don't think so it shouldn't be........
It depends upon the distance the water must travel to the sea.
Nothing is allowed to be thrown into the sea. Pollution is illegal. Exceptions made for clean water and some biodegradable substances. Plastic is a 'no no'.
They take water from the sea and extract the salt from it. Its an expensive process.
No, it is not illegal but if you did not keep them in a seawater aquareum that was suited to their needs that would be cruel and there are laws which relate to the cruel treatment of animals.
take them out of water,
Cyanobacteria
Take a spoon and take some water from the sea, burn it, see how much salt there are then x 10000000000000000000000000000000000000000000000, you get the answer!
No because the salt water can take the pressure of the core under the earth, if there was a fresh water sea the water wouldn't be able to hold the pressure and instead of a sea it would be a gaping void in the earth.
Definitely not. The fish in the sea take in the dissolved oxygen in the sea thru their gills.
Yes, it is illegal to take cocaine.
The Dead Sea is said to be shrinking due to all the water usage from all the countries that use the excess water flow from the Jordan River. Water is also decreasing due to fertilizer makers siphoning the water out.
No you can take pictures