Physics, 27.01.2021 04:20, sbailey0962
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1. What do the curved blue lines wrapping around Earth represent?
2. The geomagnetic poles move over time. What causes this to happen?
3. How do Earth's geomagnetic poles differ from its geomagnetic poles?
4. Mars has a week magnetic field. How do you think the conditions on the surface of Mars compare with those on Earth? What would that mean for astronauts traveling to Mars in the future?
Answers: 1
Physics, 22.06.2019 02:50, adrian08022
Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
Answers: 3
Physics, 22.06.2019 03:40, darkdragon67
Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.
Answers: 1
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