MCHC and MCV, or mean corpuscular volume, levels are both used to test a person for anemia. MCHC tests for the levels of hemoglobin in the blood. This test is also referred to as an MCH test.
Civilization first developed in the Indus River valley in present-day Pakistan in the middle of the 3d millennium B.C., more than a thousand years earlier than it did in China. In fact, the civilization of the Indus valley, usually called Harappan after its chief city, rivals Sumer and Egypt as humanity's oldest. But like Sumer and its successor civilizations in the Middle East, Harappan civilization was unable to survive natural catastrophes and nomadic invasions.
Mesopotamia. Mesopotamia is the first civilization in history. Civilization was only possible through the Tigris and Euphrates rivers. Domestication of the rivers led to engineering feats like the building of levees and irrigation systems.esopotamia. Mesopotamia is the first civilization in history. Civilization was only possible through the Tigris and Euphrates rivers. Domestication of the rivers led to engineering feats like the building of levees and irrigation systems.