Ex.8. Combine two parts logically to make complete sentences

Economics may appear to be the study of complicated	a	the production, distribution, and consumption of goods and services.
Economics is the study of what constitutes rational human	b	allocating scarce resources between competing uses.
Modern economics began in 1776, with the	c	limited resources as to best satisfy their wants, needs, and desires.
Modern definition of economics interprets it as the social science, which analyzes	d	an economic profit from it by combining all other factors of production.
Economics studies human behaviour and explains how individuals and groups make decisions with	e	the benefits of options of different goods and choosing the one with the highest benefit.
Economics is called the study of scarcity because economic activity	f	scarce resources to satisfy their unlimited wants.
The entrepreneur is an individual who takes an idea and attempts to make	g	publication of Adam Smith's Wealth of Nations.
The main problem in economics is the question of	h	tables and charts, statistics and numbers.
Most of economics is based on the simple idea that people make choices by comparing	i	behaviour in the endeavour to fulfil needs and wants.
Economics is the study of how people choose to allocate	j	would not exist if scarcity did not force people to make choices.