« previous next »

Author Question: Which of the following is true of Jupiter's moon Europa? A) It is rich in organic molecules and ... (Read 14 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?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Bartel and Szostak demonstrated chemical selection for RNA molecules that can catalyze phosphoester Bartel and Szostak demonstrated chemical selection for RNA molecules that can catalyze phosphoester
Cellular locations of pattern recognition molecules of the innate immune system Cellular locations of pattern recognition molecules of the innate immune system
Far side of the Moon Far side of the Moon
Major Impacts on Mercury and on Our Moon Major Impacts on Mercury and on Our Moon
Surface Features on Europa Surface Features on Europa
True Dover Sole True Dover Sole
Video: Red Blood Cells - Erythropoietin (EPO)

For a complete list of videos, visit our video library