Select the TWO sentences that tell WHY people are often unaware of environmental changes. A
Most of us realize that our lives are lived on a scale that is insignificant
compared to geological time...
B
What many of us do not recognize is that, like the continents and the
mountains, the Earth's living ecosystems are undergoing constant changes as well.
с
While typically faster than the movement of continents, ecological change
occurs at a pace that can be difficult to detect over the span of a human
lifetime.
D
More recently, popular portrayals of the Lewis and Clark expedition have
shown Americans how dramatically the Great Plains have been changed
E
Many changes in the patterns of North American land forms and vegetation
have resulted from or been influenced heavily by human activities.
F
Throughout human history, each new generation has accepted the state of
the world that they inherited from their ancestors.

the mongolian invasion of china and central asia resulted in a disruption of the silk road as the chinese garrisons lost support from the chinese kingdoms which fell under the mongols. however, as the mongols established a formal dynasty in china, the successors of genghis khan restored the garrisons along the silk road allowing the safe travel caravans again.

c. the king has significantly abused the colonists' rights many times over a long period of time.

treating native americans justly and giving them equal rights as citizens of the united states" was not a way in which americans sought to solve the indian problem. removal was the most popular idea.

when we think of a­ncient paga­n kings, the ideas of justice and fairness probably aren't the first things to come to mind. we moderns may be more likely to imagine fickle, power-hungry despots who were ready to put someone to death on a whim. but king hammurabi, who ruled a prosperous and thriving babyloniaalmost four millennia ago, doesn't quite fit that mold. he claimed to have protect the weak from oppression, and scholars believe he fostered an atmosphere of justice and righteousness for his people.

this belief is based on an object that was discovered only a century ago. it has already earned a place alongside the rosetta stone as one of the most important artifacts of the ancient world. this stela (stone pillar) bears the inscription of the code of hammurabi, and it has shed light on the laws, culture and life in babylonia.

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