Author Question: The Drake equation calculates N. What is N? A) the number of intelligences in the entire universe ... (Read 55 times)

theo

  • Hero Member
  • *****
  • Posts: 698
The Drake equation calculates N. What is N?
 
  A) the number of intelligences in the entire universe
  B) the number of technical civilizations in our galaxy presently
  C) the number of stars with habitable planets
  D) the number of planets with life in the universe
  E) the number of planets in just our galaxy

Question 2

At which stage in a Sun-like star's life is its core the least dense?
 
  A) Main Sequence
  B) Subgiant Branch
  C) Helium Fusion
  D) Planetary Nebula
  E) White Dwarf



Eunice618

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

For a complete list of videos, visit our video library