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Author Question: Oxygen is supplied to the atmosphere by a. ozone. b. incomplete combustion. c. photosynthesis. ... (Read 87 times)

appyboo

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on: Jul 28, 2018
Oxygen is supplied to the atmosphere by
 a. ozone.
  b. incomplete combustion.
  c. photosynthesis.
  d. complete combustion.

Question 2

Calculate the frequency, in hertz, of photons of light with energy of 2.00  10-19 J.


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elizabethrperez

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

c

Answer to Question 2

0.302  1015 Hz, or 3.02  1014 Hz


appyboo

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Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

amit

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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