Cats' ear temperature chages as much as the weather. Warm or even hot ears are not reliable gauges of cat health. Let's explore cat ear health.
Mining in Ancient Greece. The Greeks used bronze, a mix of tin and copper, for their weapons and tools. Later, iron was used because it produced harder tools and weapons.Athens found a large amount of silver in the mines at Laurium.At its peak, Athens had over 20,000 slaves mining at Laurium. At the request of Themistocles, they used the money from these mines to pay for a large navy.This investment in the navy paid off in their development of a large trade network around the Mediterranean. There were very good mining areas around Greece.ater, iron was used because it produced harder tools and weapons. Athens found a large amount of silver in the mines at Laurium. At its peak, Athens had over 20,000 slaves mining at Laurium. At the request of Themistocles, they used the money from these mines to pay for a large navy.
The two kinds of minerals are:  macrominerals and trace minerals. Macro means large in Greek (and your body needs larger amounts of macrominerals than trace minerals). The macromineral group is made up of calcium, phosphorus,magnesium, sodium, potassium, chloride, and sulfur.