GREETINGS!
IT SHOULD BE OPTION C
Because when you use mobile the chemical energy stored in the battery is used to make your mobile work, and Mobile phones communicate by Electromagnetic radio waves, and if u look at the option C it says PLAYS AVIDEO ON YOOOUTUBE that means sound energy so c is your answer
HOPE THIS HELPS YOU!
Answer: A
Explanation: A is the answer
The Copernican model that is most similar to Aristarchus' . It is a simple and accurate heliocentric model that explains planetary motion with a small set of rules and a single underlying force.
The Copernican model that is most similar to that of Aristarchus is represented by Figure 6.31(b). In this model, Earth and other planets revolve around the Sun. It is a simpler and more accurate heliocentric model, similar to Aristarchus' idea of a heliocentric solar system. The Copernican model explains planetary motion with a small set of rules and a single underlying force, demonstrating the breadth and simplicity of the laws of physics.
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A. newton
B. pound
C. kilogram
D. watt
Answer:
Newton
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Answer:
a b d
Explanation:
b. buffer
c. acid
d. catalyst
Arrhenius base is a substance that , when dissolved in an aqueous solution , increase the concentration of hydroxide (OH) ion in the solution
I hope that's help !