The ~unequal~ statuses of different individuals in a society. for example, a doctor has a higher social status than a janitor working at the same hospital. the doctor might be awarded for his work, while the janitor is mostly ignored. the doctor may also have come from a fairly wealthy family and received a good education, while the janitor may have had economic disadvantages and a poor quality education. so the doctor and the janitor are socially unequal. social inequality is very closely connected to economic inequality, so if you ever see the phrase "socio-economic inequality," that's why.
The climate of the United States<span> varies due to differences in latitude, and a range of geographic features, including mountains and deserts. West of the 100th meridian, much of the US is semi-</span>arid<span> to </span>desert<span> in the far southwestern US, and </span>Mediterranean<span> along the California coast. East of the 100th meridian, the climate is </span>humid continental<span> in the northern areas east through </span>New England<span>, to </span>humid subtropical<span> in the Gulf and South Atlantic regions.</span>
B. life-centered environmental ethics
The best answer is B. The river flooded yearly which allowed the fertile sediment on the bottom of the river to flow onto the farmland, keeping it fertile.