« previous next »

Author Question: Which of the following is true of Jupiter's moon Europa? A) It is rich in organic molecules and ... (Read 60 times)

anshika

  • Hero Member
  • *****
  • Posts: 510
on: Jul 27, 2018
Which of the following is true of Jupiter's moon Europa?
 
  A) It is rich in organic molecules and water.
  B) It appears to have a liquid-water ocean below its icy crust.
  C) It has methane in its atmosphere.
  D) It was brimming with life in its history.

Question 2

In the Drake equation, Nc = N  fp  nHZ  fL  fI  fs, the factor nHZ is:
 
  A) the average number of planets in a solar system.
  B) the average number of stars that have planets.
  C) the average number of planets where life evolved to intelligence.
  D) the average number of planets in each solar system suitably placed in the habitable zone.


kusterl

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Water-soluble organic molecules. Water-soluble organic molecules.
Original Model of Jupiter’s Belts and Zones Original Model of Jupiter’s Belts and Zones
Yeast aspartyl tRNA synthetase complexed with two molecules of tRNAAsp Yeast aspartyl tRNA synthetase complexed with two molecules of tRNAAsp
Phases of the Moon Phases of the Moon
Earth-Moon-Sun Positions during the Neap Tide Earth-Moon-Sun Positions during the Neap Tide
Moon Moon
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

For a complete list of videos, visit our video library