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Author Question: Energy flows from hot to cold and thus from the core to the surface of the Sun. a. True b. False ... (Read 43 times)

scienceeasy

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on: Jul 27, 2018
Energy flows from hot to cold and thus from the core to the surface of the Sun.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Explain how gravity is used to explain the presence of the tides we experience on Earth.
 
  What will be an ideal response?


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juwms

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Reply #1 on: Jul 27, 2018
Answer to Question 1

True

Answer to Question 2

Tides are produced by small differences in the gravitational force exerted on different parts of an object. The side of Earth nearest the Moon feels a larger force than the side farthest away. Relative to Earth's center, small forces are left over, and they cause the tides. Both the Moon and the Sun produce tides on Earth; sometimes they add together, and sometimes they partially cancel.


scienceeasy

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

kalskdjl1212

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Reply 3 on: Yesterday
Gracias!

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