bushfire and floods
The three board categories of natural vegetation are Forests, Shrub lands and Grasslands.
The broad categories of aquatic biomass are primary producers and secondary producers.
Prokaryotic and eukaryotic cells.
butter
Three broad categories of economic indicators are: Total Output, Income, and Spending, Employment, Unemployment, and Wages, and Production and Business Activity.
butter
Classified and unclassified
public and private
minor moderate major
people
There are many types of resources, especially depending on what you are referring to. There are natural resources, financial resources, and resources for writing essays, just to name a few broad categories.
The four broad categories are consumption, investment, government purchases, and net exports.