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

Author Question: Why are radio waves probably the most efficient way to communicate between civilizations? A) ... (Read 67 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
on: Jul 27, 2018
Why are radio waves probably the most efficient way to communicate between civilizations?
 
  A) radio waves are easy to produce and are not affected much by interstellar matter in the galaxy
  B) radio waves are the most penetrating of all electromagnetic radiations
  C) all advanced civilizations are certain to use radio waves for communication
  D) radio waves are the only kind of electromagnetic radiation that can carry information

Question 2

Although very unlikely, if life exists on Venus today, it will most likely be found
 
  A) at the center of the planet
  B) just beneath the surface
  C) on the surface
  D) floating high in the atmosphere


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cdmart10

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


Themember4

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 27, 2018
TY


cdmart10

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

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?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Radio Frequency Lesion Radio Frequency Lesion
Sound Waves from Clarinet Sound Waves from Clarinet
EKG Waves EKG Waves
Extracorporeal shock-wave lithotripsy. Acoustic shock waves generated by the shock-wave generator ... Extracorporeal shock-wave lithotripsy. Acoustic shock waves generated by the shock-wave generator ...
Efficient Allocation of Labor between Sectors Efficient Allocation of Labor between Sectors
The ability to solve problems may be highly efficient in the older adult The ability to solve problems may be highly efficient in the older adult
Video: Frequency of stimulation and force (Recruitment of motor units and force)

For a complete list of videos, visit our video library