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Explanation
You can subtract 10 from 100 a total of 10 times. This is because each time you subtract 10, you are left with 90, and you can continue subtracting 10 from 90 until you reach 0.

Explanation
The word "Accent" is correctly spelled. The other options, "Aquaintance," "Strang," and "Blande," are misspelled.

Explanation
The power of a river is defined by its current. The speed and force of the water flowing in a river determine its ability to erode, transport sediment, and generate energy. A river with a strong current will have more power to shape the landscape, carry larger particles, and potentially generate more hydroelectric power. The length and width of a river may influence its overall volume and discharge, but it is the current that ultimately determines its power. The people who depend on the river may be affected by its power, but they do not define it.

Explanation
The presence of snow on top of a mountain indicates that it is really cold. Snow forms when the temperature is below freezing, so if there is snow on the mountain, it suggests that the temperature is low enough for the snow to accumulate and not melt. Therefore, the snow on top of the mountain is a clear indication that it is really cold there.

Explanation
Since Joseph is Anna's brother and Katrina is Joseph's stepmother, it can be inferred that Katrina is Anna's stepmother as well.

Explanation
Based on the given information, the oldest son is named August and the youngest son is named October. Since the months are listed in chronological order, the middle child's name would be September.

Explanation
In the number 5000, the digit 5 appears four times. Therefore, the correct answer is "None of the above."

Explanation
The word "Trackor" is spelled incorrectly. The correct spelling is "Tractor".

Explanation
The word "Another" doesn't belong on the list because it is the only word that doesn't start with the letters "An". The other three words all begin with "An".