Today the cells are components in battery systems, incorporating electronics and software, power management and control systems, monitoring and protection circuits, communications interfaces and thermal management.
Mesopotamia, incorporating Sumer, Babylonia and Assyria, known in the West as the Cradle of Civilisation was located between the Tigris and Euphrates rivers (The name means "land between the rivers") in the so called Fertile Crescent stretching from the current Gulf of Iran up to modern day Turkey.
Students not only want to know how old a fossil is, but they want to know how that age was determined.
Some very straightforward principles are used to determine the age of fossils.
However, human beings love to see factual precision, and we want to know how old something is.
Please remember that all dating methods, even those termed "absolute," are subject to margins of error.
“People who live alone do get lonely,” Klinenberg says, “but so do people in marriages.” Younger people have made living alone a choice; in the under-65 demographic, 15 million live alone and many are actively choosing single lives, at the same time proving that the old equation between living alone and being unhappy no longer holds true.
the Sumerians of ancient Mesopotamia developed the World's first written language.