At its simplest, biotechnology is technology based on biology - biotechnology harnesses cellular and biomolecular processes to develop technologies and products that help improve our lives and the health of our planet.
In macroeconomics, the focus is on the demand and supply of all goods and services produced by an economy. Accordingly, the demand for all individual goods and services is also combined and referred to as aggregate demand.
What is the meaning of 'aggregate' in terms of weight?   Aggregate is a process of combining separate objects to make one object or mass. A house, as an example is an aggregate of wood, insulation, nails, shingles, etc. The whâ¦ole mass is considered a house, workshop, utility shed, or even garage.   Aggregate weight would be the overall weight of combining several separate objects.