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Author Question: What element is found in all living matter? a. nitrogen b. carbon c. lithium d. ... (Read 33 times)

Capo

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What element is found in all living matter?
 a. nitrogen
  b. carbon
 
  c. lithium
 
  d. oxygen

Question 2

The compact central nucleus of an atom contains ____ and ____.
 a. electrons; protons
 
  b. electrons; neutrons
  c. protons; neutrons
 
  d. electrons; isotopes



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Perkypinki

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Answer to Question 1

b

Answer to Question 2

c




Capo

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Reply 2 on: Feb 27, 2019
Great answer, keep it coming :)


nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

 

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