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 101 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
Great answer, keep it coming :)

kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Phytochrome controls germination by responding to red/far red light signals. Phytochrome controls germination by responding to red/far red light signals.
An overview of photosynthesis: cooperation of the light reactions and the Calvin cycle. An overview of photosynthesis: cooperation of the light reactions and the Calvin cycle.
Assessment of Light Touch Assessment of Light Touch
Spitzer Space Telescope Spitzer Space Telescope
Earth’s Magnetic Field Earth’s Magnetic Field
Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ... Apply light circular friction over the wrist using your thumbs. Observe the skin moving over the ...
Video: Carbon fixing adaptations Animation

For a complete list of videos, visit our video library