Holmes said to Watson "My dear doctor, this is a time for observation, not talk, because it was part of his method to observe closely and then to consider his observations. The correct answer is A.
Answer:
4cm because the wavelength is the measure of a distance between two identical peaks or Crest
I don’t think you were finished typing
The speed of light in a vacuum is <span>299,792,458 meters/sec, or approximately 300,000 meters/second.
Hope this helps!</span>
