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Author Question: Wind speed is measured by means of a. a psychrometer. b. an anemometer. c. a wind vane. d. a ... (Read 76 times)

Metfan725

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on: Jul 28, 2018
Wind speed is measured by means of
 a. a psychrometer.
  b. an anemometer.
  c. a wind vane.
  d. a barometer.

Question 2

What happens to the atomic number (Z) and the mass number (A) when a nucleus emits a gamma ray?
 a. Z increases by 1; A is unchanged.
  b. Z is unchanged; A is unchanged.
  c. Z decreases by 1; A is unchanged.
  d. Z decreases by 2; A decreases by 4.


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Christopher

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Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

b


Metfan725

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Reply 2 on: Jul 28, 2018
Wow, this really help

xiaomengxian

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Reply 3 on: Yesterday
Gracias!

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