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 ...

economic activity in the primary, secondary, tertiary and quaternary sectors; and the use of natural resources This short film is an ideal tool to help students understand the changes to the ...

So if an academic medical center is really interested in fully developing its secondary, tertiary, and quaternary care, it only makes sense for it to fully develop its primary care bedrock ...

When molecules bind or dissociate, the change in their primary, secondary, tertiary and/or quaternary structure changes the hydration shell of the biomolecule and affects the thermophoretic movement.