The International Journal of Digital Earth is an international peer-reviewed academic journal (SCI-E with a 2016 impact factor 2.292) focusing on the theories, technologies, applications, and societal implications of Digital Earth and those visionary concepts that will enable a modeled virtual world.
Search the Internet with Kids.Net.Au. Definition of sodium. a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
What sodium levels mean. By law companies have to list the salt content of a food on the packaging however for some imported foods the label may still list how much sodium it contains. Salt is sodium chloride and the sodium is the part that raises blood pressure. 1g of sodium is the same as 2.5g of salt. 1  Low - 0.1g sodium or less per 100g of food - Eat plenty of these. 2  Medium - 0.1-0.6g sodium per 100g of food - Eat small amounts occasionally. 3  High - 0.6 sodium or more per 100g of food - Try to avoid these.