Why did the author introduce factors of production before discussing land, labor and
capital?
A
to help the reader understand what
economic resources are before introducing
the three groups of economic resources.
B
to help the reader understand the role of
economists before introducing what it is that
economists study
с
to help the reader understand why there is
demand for certain inputs before
introducing the idea of input scarcity
D
to help the reader understand what goods
and services are before introducing how
those goods and services are brought about

A . to help the reader understand what  economic resources are before introducing  the three groups of economic resources.

Explanation:

Land, labor and capital are the three most important factors of production so in introducing factors of production first, the author wanted to give a background of what factors of production are before then giving the types of factors there are.

The background information given is to enable the reader understand what economic resources/ factors of production are so that they would then be able to understand the general need for land, labor and capital when they are introduced.

the page presents four different kinds of threats that volcanoes pose and what to do before, during, and after an eruption.

the answer is d i just took the test (provides the number of allowances an employee has claimed.)