« previous next »

Author Question: The Drake equation calculates N. What is N? A) the number of intelligences in the entire universe ... (Read 23 times)

theo

  • Hero Member
  • *****
  • Posts: 698
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

The number of words correctly completed in the New York Times crossword puzzle increases with age ... The number of words correctly completed in the New York Times crossword puzzle increases with age ...
How to multiply a complex number by its conjugate How to multiply a complex number by its conjugate
Standing at the head of the table, apply oil or lotion to the entire back and shoulders with ... Standing at the head of the table, apply oil or lotion to the entire back and shoulders with ...
How to find the equation of a line passing through two points How to find the equation of a line passing through two points
The Location and Number of Farms in the United States, 2012 The Location and Number of Farms in the United States, 2012
Solving a root equation Solving a root equation
Video: Digestive chemicals - water, gastric acid, bile & bicarbonate

For a complete list of videos, visit our video library