Geologists have long known that the Earth's mantle is heterogeneous, but its spatial arrangement remains unresolved—is the mantle essentially layered or irregu larly heterogeneous?
Even without a seat, even while pressed with strangers into human panini, even as someone plays a keyboard harmonica and rattles a cup of change, even when stumbling home after a party.
Yet, despite the obvious rewards of engaging in office politics—a better job, a raise, praise—many people are still unable—or unwilling—to "play the game".
Others, however, have adopted the philosophy that it is best to use the water while it is still economically profitable to do so and to concentrate on high-value crops such as cotton.