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Author Question: For normal household temperatures, a comfortable relative humidity is a. 100 b. 0 c. 25 d. ... (Read 39 times)

newyorker26

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For normal household temperatures, a comfortable relative humidity is
 a. 100
  b. 0
  c. 25
  d. 50

Question 2

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



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aidanmbrowne

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Answer to Question 1

d

Answer to Question 2

a




newyorker26

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


shailee

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Reply 3 on: Yesterday
Excellent

 

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