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Jayman
| Reward Points: | 1 |
| Efficiency:
Efficiency is a measure of the effectiveness of your arguments. It is the number of up votes divided by the total number of votes you have (percentage of votes that are positive). Choose your words carefully so your efficiency score will remain high. | 100% |
| Arguments: | 1 |
| Debates: | 0 |
The continents move apart 1 yard per century. That means when geologist Alfred Wegner discovered Pangaea the continents were together. Over time the continents were moving. But they were moving at the speed of a snail. People didn't know that the land was separating. According to the plate-tectonics theory, scientists believe that Earth's surface is broken into a number of shifting plates, which average about 50 miles in thickness. The boundaries of lithosphere plates are active.
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I am probably a good person but I haven't taken the time to fill out my profile, so you'll never know! |
