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 86 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
Wow, this really help


rleezy04

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Gracias!

 

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

For a complete list of videos, visit our video library