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Thompson used his thumbprint on a geological survey as a form of authentication. By including his thumbprint, he could verify his identity and ensure that the survey results were attributed correctly to him. This added a layer of security and integrity to the document.

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1y ago

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Where can you find a map of Earth's tectonic plates?

You can find a map of Earth's tectonic plates from various sources such as geological websites, educational institutions, or scientific organizations. Online resources like the United States Geological Survey (USGS) or academic websites like Geology.com often have interactive maps displaying the tectonic plate boundaries. Additionally, many textbooks on geology and Earth sciences also include maps of Earth's tectonic plates.


Which law gives the direction of magnetic field due to a current carrying conductor?

The right hand rule. If you were to place your right hand around the conductor, with the thumb pointing in the direction of current flow, your fingers which are wrapped around the conductor will point in the direction of magnetic flux. Said another way, if you are looking at the end of the conductor and current is flowing towards you, then magnetic flux will be counter-clockwise.


55 quart is how many pounds of potting soil?

A general rule of thumb is that 1 quart of potting soil weighs around 0.875 pounds. Therefore, 55 quarts of potting soil would weigh approximately 48 pounds.


If it were 85 degree F at ground level what would th etemperature there be at the top of a 2500-foot hill?

The answer will depend on weather conditions (wind, air currents, etc) but a quick rule of thumb is 1 degree F for every 100 feet up or down, going up drops the temperature and going down raises the temperature obviously. That's not a scientific answer, its a rule of thumb.


Flemmings left Hand Rule?

Fleming's left hand rule for motors is a visual depiction used to determine direction of rotation in a motor. Extend your thumb, index finger and middle finger of your left hand at right angles to each other. The thumb represents direction of relative motion. The index finger represents direction of flux (magnetic field). The middle finger represents direction of current flow. A simple way of remembering what each digit represent is the phrase: "Martha's Fresh Cookies." M being motion, F being flux and C being current. Fleming's Right hand rule for generators is the same except you use your right hand and it applies to direction of rotation of generators.