The us economy is based heavily on sector jobs.
a. primary
b. secondary
c. tertiary
d. quaternary

The correct answer for the fill in the blank is C. Tertiary

Tertiary sector jobs are those that influence services like banking and insurance.

On the contrary, primary sector deals with raw materials, secondary sector deals with manufacturing of products, and quaternary sector of jobs is concerned about knowledge and skills.

In US economy, they are not much concerned about primary and secondary sector as it is a slow process with slow rate of growth. Their economy is much focused on higher rate of development which can be achieved by tertiary sector only.

the answer will be a) proteins i believe

you should wear a lead protective shield when having teeth x-rays

hope i

-lavira : )