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Creado por PatrickNoonan
hace alrededor de 11 años
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Pregunta | Respuesta |
What is the Doppler Effect? | The Doppler Effect is the change in frequency of a wave for an observer moving relative to its source |
energy = ? × time | energy = power × time |
Using the formula: energy = power × time ,solve: How much energy is transferred by a 500 W electric drill in 30 seconds? | 15,000 J |
When coal is burned in a coal-burning station its chemical energy is transferred to what type of energy? | Electrical Energy |
What is the Carbon Cycle? | The series of processes by which carbon compounds are interconverted in the environment, chiefly involving the incorporation of carbon. |
What are the optimum conditions for the decay to occur in the carbon cycle? | Warm and Moist |
Define the Big Bang | The explosion of dense matter that, according to current cosmological theories, marked the origin of the universe. |
Besides Charles Darwin who is also credited with outlining the theory of evolution? | Alfred Russel Wallace |
Complete: Inner core, outer core, ???, Crust |
Image:
core (image/jpg)
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Nobel prize physicist Marie Curie is best know for her pioneering research on what? | Radioactivity |
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