What does geologic time mean

Geologic time, the extensive interval of time occupied by the geologic history of Earth. ... Geologic time is, in effect, that segment of Earth history that is represented by and recorded in the planet's rock strata.

developed and developing countriescountries are divided into two major categories by the united nations, which are developed countries and developing countries. the classification of countries is based on the economic status such as gdp, gnp, per capita income, industrialization, the standard of living, etc. developed countries refers to the soverign state, whose economy has highly progressed and possesses great technological infrastructure, as compared to other nations.