The total population of these two provinces is approximately 4.5 million (1.6 million in Golestan province) constituting about 6.4% of the total Iranian population.
Somatotrophs are plentiful in the anterior pituitary gland, constituting about 40 percent of the tissue.
After aluminum, iron is the most abundant metal, constituting about 5 percent of the Earth's crust.
Wheat grains, or kernels, are composed of the starchy endosperm, or food-storage portion, constituting about 85 percent; several outer layers that make up the bran, constituting about 13 percent; and the oily germ, or embryo plant, approximately 2 percent.
The myofilaments are composed of several different proteins, constituting about 50 percent of the total protein in muscle.
The new Party of Action was also very active in the Resistance, constituting about one-fourth of all partisan units.
national park system administered more than 350 separate areas constituting about 85 million acres (34 million hectares).
Taiwan is more exposed to China's appetites than any other Asian economy, with sales to China constituting about 6% of its GDP (see chart).
Uganda's population remains basically rural, although the number of urban dwellers, constituting about one-tenth of the total population, is growing.
Characteristic of the surface of Asia is the great predominance of mountains and plateaus, constituting about three-fourths of the continent's total area.
Viticulture, fruit and vegetable growing, and other specialized farming activities are particularly important, constituting about one-fourth of the commodity output of arable farming.
