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

Author Question: Why is Titan considered a good candidate for life? A) It has lakes and rivers of liquid methane ... (Read 99 times)

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
Why is Titan considered a good candidate for life?
 
  A) It has lakes and rivers of liquid methane and ethane that could support life as water does on Earth.
  B) Cassini measurements suggest it has an ocean of liquid water beneath its surface.
  C) There is evidence for several volcanic cones that likely erupt liquid water that is below Titan's frozen crust.
  D) All of the above

Question 2

What evidence supports the idea that a collision between two spiral galaxies might lead to the creation of a single elliptical galaxy?
 
  A) observations of some elliptical galaxies surrounded by shells of stars that probably formed from stars stripped out of smaller galaxies
  B) the fact that elliptical galaxies dominate the galaxy populations at the cores of dense clusters of galaxies
  C) observations of some elliptical galaxies with stars and gas clouds in their cores that orbit differently from the other stars in the galaxy
  D) observations of giant elliptical galaxies at the center of dense clusters that may have grown by consuming other galaxies
  E) all of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

EAN94

  • Sr. Member
  • ****
  • Posts: 307
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

E


oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


EAN94

  • Sr. Member
  • ****
  • Posts: 307
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

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.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Alternation of generations, the plant life cycle Alternation of generations, the plant life cycle
Titan's dense atmosphere shrouds the moon beneath a tan haze in this image. Titan's dense atmosphere shrouds the moon beneath a tan haze in this image.
Three different ginkgo formulations: tablets, tea bags, and liquid extract. Three different ginkgo formulations: tablets, tea bags, and liquid extract.
The waveform of a good oxygen sensor as displayed on a digital storage oscilloscope (DSO). Note ... The waveform of a good oxygen sensor as displayed on a digital storage oscilloscope (DSO). Note ...
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
Psychology and Life Psychology and Life
Video: Fermentation pathways

For a complete list of videos, visit our video library