A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. Common minerals include quartz, feldspar, mica, amphibole, olivine, and calcite.
A rock is an aggregate of one or more minerals, or a body of undifferentiated mineral matter. Common rocks include granite, basalt, limestone, and sandstone.
One of the oldest foods in the world, salt is not as much a flavour in itself as it is an enhancer, bringing out the flavors in all kinds of foods. It makes noodles, watermelon, meat, and all other kinds of food taste richer and generally better.
Humans crave salt as it has the chemicals we need to survive in the ionic compound composed of sodium and chlorine.
The Earth is made out of many things. We know here one by one with starting from Earth's centre.
So What is Earth made of?
1. Inner Core :
Deep inside Earth, near its center, lies Earth's core which is mostly made up of nickel and iron.
The temperature at the inner core's surface is estimated to be approximately 5,430 °C, which is about the temperature at the surface of the Sun.
It is primarily a solid ball with a radius of about 1,220 km. This inner core is lies deep inside between 5100 to 6378 km.
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