A. Your leg jumping when it is hit by a reflex hammer
The Richter scale is accurate only for small earthquakes near seismograph stations. Large or earthquakes that happens far from seismic stations have the tendencies that it doesn’t work.
The Richter Scale assigns a number rating (from 1 - 10) to an earthquake. The rating is based on how fast the ground moves at a seismic station.
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Independent Variables can be manipulated, and a Dependent Variable are observed and measured. Another way to say it is that the Independent variables change to get different results while the Dependent variables never change because you are trying to see what causes it to change
Argon 0.93 percent
carbon dioxide 0.038 percent
