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 ...

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 ...

and in all levels of education no later than 2015 The developing countries as a whole have achieved the target to eliminate gender disparity in primary, secondary and tertiary education.

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 ...

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 ...

The tertiary colours in the colour wheel sit between a primary colour and a secondary colour. They are the six 'in-between' colours. In the colour wheel, tertiary colours sit between the two ...

According to UNICEF estimates, around the world, 122 million girls are out of school, including 34 million of primary school age, and 87 million of secondary school age ... In many countries, ...