What term applies to all of geologic time prior to the phanerozoic eon? why is this span not divided into epochs as is the phanerozoic eon?.

What are three similarities between medc countries and ledc countries?

American consumption has had which of the following effects on the environment?

Acountry’s gdp is the total dollar value of all final goods and services produced within a country’s borders in a given year. it also determines how countries are classified. which of the following is not a classification based on gdp? a. developed b. developing c. least-developed d. potentially developing