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Chemistry, 21.06.2019 17:00, debordc17
Two friends at different locations want to communicate with each other by sending low energy signals. which of the following methods can they use to communicate? a) produce x-rays using colliding electrons and send them to radios, which capture sound b) send messages using infrared radiation, which travel in the form of waves c) send radio waves through intervening media like radio and television d) produce sound waves using microwaves from heated objects
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Chemistry, 22.06.2019 10:40, trinityanne1738
Asolid that forms and separates from a liquid mixture is called
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Chemistry, 22.06.2019 14:00, MathChic68
Displacement is the slope of a velocity vs. time graph a. true b. false
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8.90 kg is what in grams...
Mathematics, 13.10.2019 00:10
Mathematics, 13.10.2019 00:10