Which layout is the most suitable for the uneven lands and sub mountain areas ________?

A section in a nation’s international balance of payments which records its export and import of goods and services, its net investment income, and its net transfers?

Obtaining the socially optimal amounts of goods and services using minimum necessary resources?

The cellular structure which always disappears during mitosis is________?

The heart like pumping organ in insect is________?

The investment of private foreign funds in the economy of a developing nation?