All industry is made up of four sectors that are a linked together like a chain: primary, secondary, tertiary and quaternary industry. Industries in the primary and secondary sectors are the ...

Secondary agricultural goods are treated products and preparations from primary agricultural goods. Together, these form the main definition of agricultural goods. Tertiary agricultural goods are ...

In economics, there are four big sectors. They include the primary, secondary, tertiary, and quarternary sectors, each of which has many sub-sectors. In the financial markets, economic sectors are ...

Primary dunes are composed of sand blown directly from the beach face (active beach), whereas secondary dunes develop ... Blowouts are erosional dune landforms that are typically trough-, bowl ...