What is the connection, if any, between electromagnetic induction and sunshine?
What will be an ideal response?
Sunshine is light, which is part of the electromagnetic spectrum, all of which is produced by accelerating electric charges. Vibrating charges in the Sun or any body constitute vibrating electric currents, which induce vibrating magnetic fields, which induce . . . and so on. All light is electromagnetic waves, the result of electromagnetic induction.
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In a well is an aquifer. What is the highest level water can rise to if there is no pump?
A) to the level of the water table B) just below the level of the water table C) to the top of the well D) It depends how deep the well is.
Which of the following is characteristic of oceanic-continental convergent plate boundaries?
A) Andesitic volcanoes B) Fracture zones C) Hot spots D) Mid-ocean ridges E) Volcanic island arcs
Deforestation eliminates the role that forests play in_________________.
-wildlife management -in-stream river flow -population growth -the water cycle -agricultural production
Of the biogeochemical cycles, which have been interfered with by the actions of humans, which is thought to be likely to have the most far-reaching effects on the biosphere?
A) Oxygen B) Nitrogen C) Carbon D) Water E) Copper