Questions

Tractor was the single most important invention to farmers.

A production–possibility frontier (PPF) or production possibility curve (PPC) is the possible tradeoff of producing combinations of goods with constant technology and resources per unit time.

Alluvial type of soil has the largest area covered in India. Alluvial soils are fine-grained fertile soil deposited by water flowing over flood plains or in river beds. Most of the soil is Sandy and clayey soils are not uncommon.

Rana Pratap Sagar Dam is built on Chambal river in Rajasthan.

A genus can best be defined as a taxon composed of one or more species and a classification level lying below family.

A simple rule concerning water and electrolyte regulation is water passively follows salt.