This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: As they move through space, the vibrating electrical and magnetic fields of a light wave must move ... (Read 116 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
on: Jul 27, 2018
As they move through space, the vibrating electrical and magnetic fields of a light wave must move perpendicular to each other.
 
  Indicate whether the statement is true or false

Question 2

Based on DNA studies, it seems that all life on Earth ________.
 
  A) arose from one of five distinct ancestors that lived about two billion years ago
  B) shares a common ancestor
  C) requires oxygen to survive
  D) belongs to one of just two kingdoms: plants and animals


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

smrerig

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

B


bobbysung

  • Member
  • Posts: 519
Reply 2 on: Jul 27, 2018
:D TYSM

epscape

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

True-color view of Mars seen through NASA's Hubble Space Telescope in 1999 True-color view of Mars seen through NASA's Hubble Space Telescope in 1999
Wave Travel Wave Travel
Measuring Electrical Charge Measuring Electrical Charge
T wave (ventricular repolarization). T wave (ventricular repolarization).
Slap the foot bottom with the back of the hand. Rapid, light slaps create a stimulating sensation. Slap the foot bottom with the back of the hand. Rapid, light slaps create a stimulating sensation.
A laser emits a pulse of light that lasts 10 ns. The light has a wavelength of 690 nm, and each ... A laser emits a pulse of light that lasts 10 ns. The light has a wavelength of 690 nm, and each ...
Video: Cardiac Cycle (Part 1 of 4)

For a complete list of videos, visit our video library