The action of salt water on copper is not important: see also the link below.
It has no effect,gold coins lost in ancient shipwrecks are as bright today as when they were lost
Salt water and table salt +water are the same thing- a solution. Aluminum, gold and iron are all elements (pure substances) and can not be broken down. Jello is a colloid. Muddy water is a suspension, plus salad dressing. Perhaps sugar could be called a pure substance. But it can be broken down into its' component parts. Tea also.
Add salt to water to obtain salt water.
salt is not from salt water
Salt water and brackish water are different in terms how the amount of salt. You can say salt water is brackish, since brackish water and salt water both contain salt. However, salt water has more salt than brackish water, since brackish water is a mix between salt water and fresh water (so it has less salt).
Fresh and salt water are very different for one key reason, fresh water doesn't contain salt and salt water obviously does. There are different flora and fauna in fresh and salt water for this reason.
salt water
Sugar, water, and salt. These are made of two or more kinds of atoms, but gold is an element itself.
salt water
salt
The noble metals such as gold, silver, or platinum (etc.) do not readily corrode in salt water
All but gold are compounds, gold being an element.
gold fish is what I think.
Salt, water, and gold.
The flakes of gold are more dense than water, therefore, it will sink to the bottom and then the water can be carefully poured out
in ancient Ghana salt was more valuable. gold was everywhere whereas salt was rare. also salt was more valuable because salt helps you retain water which ment they could travel longer without water, increasing trade across the Sahara desert. also salt helped preserve food, making it worth more than gold
Salt hasn't gold.
Yes, they did trade there gold for salt.