Questions

Metamorphism is the change of minerals or geologic texture in pre-existing rocks, without the protolith melting into liquid magma. The change occurs primarily due to heat, pressure, and the introduction of chemically active fluids.

The parent rock must be in solid form. Tons of pressure must be applied for metamorphism to happen. The process must take place underground.

The Chemical name of Gold is Aurum with symbol Au with atomic number 79 and a group 11 element. In its purest form, it is a bright, slightly reddish yellow, dense, soft, malleable, and ductile metal.

Chemically, gold is a transition metal.

The letter “c” with a line over it is a medical abbreviation often used by doctors, nurses, and other medical professionals. The symbol looks like this: c̄. The c is almost always lower-case.

This symbol actually has a very simple meaning. A c with a line over it just means “with”. This abbreviation is often used on patient charts and prescriptions, as well as information or notes written by medical professionals.