lessen use of pesticides

yield more crops

produce a greater choice of plant products

eliminate parasites which have selective hosts

Isohyte

Isobar

Contour line

Isohaline

Mica mining centre

Photogoods

Cement factory

Leather goods

Purvanchal Ranges

Karakoram Ranges

Zaskar Ranges

Himalaya Ranges

Pampas Region

Murray-Darling Basin

California Valley

Monsoon Asia