This topic contains a solution. Click here to go to the answer

Author Question: Oxygen is supplied to the atmosphere by a. ozone. b. incomplete combustion. c. photosynthesis. ... (Read 50 times)

appyboo

  • Hero Member
  • *****
  • Posts: 527
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

elizabethrperez

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

c

Answer to Question 2

0.302  1015 Hz, or 3.02  1014 Hz




appyboo

  • Member
  • Posts: 527
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)


kswal303

  • Member
  • Posts: 316
Reply 3 on: Yesterday
Excellent

 

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

For a complete list of videos, visit our video library