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Author Question: The oldest hominid so far discovered dates back to A) 540 million years ago B) 65 million years ... (Read 207 times)

rayancarla1

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on: Jul 27, 2018
The oldest hominid so far discovered dates back to
 
  A) 540 million years ago
  B) 65 million years ago
  C) a few thousand years ago
  D) 6 to 7 million years ago

Question 2

You double your distance from a constant sound source that is radiating equally in all directions. What happens to the intensity of the sound? It reduces to
 
  A) one-half its original value.
  B) one-fourth its original value.
  C) one-sixteenth its original value.
  D) one-eighth its original value.
  E) 1/ of its original value.


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mfedorka

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

D

Answer to Question 2

B


rayancarla1

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Reply 2 on: Jul 27, 2018
Excellent

olderstudent

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Reply 3 on: Yesterday
Gracias!

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