Most Greek houses were small, with a walled garden or yard in the middle. The house was made of sun-dried mud brick. Mud houses crumbled away in a few years, and had to rebuild. So archaeologists do not dig up the ruins of Ancient Greek homes.ost Greek houses were small, with a walled garden or yard in the middle. The house was made of sun-dried mud brick. Mud houses crumbled away in a few years, and had to rebuild. So archaeologists do not dig up the ruins of Ancient Greek homes.
Quick Answer. In chromatography, the Rf value represents the ratio between the migration distance of a substance and the migration distance of the solvent front. Rf is a coefficient called retention factor and has values that range between zero and 1.
SAR stands for Specific Absorption Rate which is the unit of measurement for the amount of RF energy absorbed by the body when using a mobile phone.