The atmosphere of Earth is the layer of gases, commonly known as air, retained by Earth's gravity, surrounding the planet Earth and forming its planetary atmosphere.
Southern California and Australia
These are the sunniest and hottest of the places listed
Rational decision simply means a decision based on logic. It would be logical to say that people would always prefer more benefits than the cost they will be expending. Rational decisions indeed<span> occur when the marginal benefits of an action equal or exceed the marginal costs. No person would make a decision that would incur a loss in his part. Therefore, in order to say that you were able to have a rational decision, you have to bear in mind the profit you can gain out of it. Example of this is the decision on additional worker. Suppose you are paying $20</span><span> per worker and they produce 5,000 units. If you are to add additional worker, you will incur an additional $20 but it will also increase the production output to 8,000 units. Therefore, it would be a rational decision to employ another worker since the benefits would exceed the cost.</span>
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The transcontinental railroad became the gateway to the West. In 1862 the Republican-led Congress appropriated vast areas of land that railroad companies could use to lay their tracks or sell to raise funds for construction.