« previous next »

Author Question: The atmosphere of Titan is composed mostly of A) oxygen. B) methane. C) carbon dioxide. D) ... (Read 37 times)

notis

  • Hero Member
  • *****
  • Posts: 596
on: Jul 27, 2018
The atmosphere of Titan is composed mostly of
 
  A) oxygen.
  B) methane.
  C) carbon dioxide.
  D) hydrogen.
  E) nitrogen.

Question 2

What is the typical main sequence lifetime of an M-type star?
 
  A) one million years
  B) ten million years
  C) one billion years
  D) ten billion years
  E) a trillion years


pikon

  • Sr. Member
  • ****
  • Posts: 361
Reply #1 on: Jul 27, 2018
Answer to Question 1

E

Answer to Question 2

E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Changes in Earth's atmospheric carbon dioxide levels over geological time. Changes in Earth's atmospheric carbon dioxide levels over geological time.
Carbon Cycle Carbon Cycle
Surface Features on Titan Surface Features on Titan
In plant fossils, stomatal density is used to estimate CO2 concentration in the atmosphere In plant fossils, stomatal density is used to estimate CO2 concentration in the atmosphere
A carbon-14 nucleus decays to a nitrogen-14 nucleus by beta-minus decay. How much energy (in ... A carbon-14 nucleus decays to a nitrogen-14 nucleus by beta-minus decay. How much energy (in ...
Estimates of carbon stored in the plants and soils of different ecosystems. Estimates of carbon stored in the plants and soils of different ecosystems.
Video: Natural Selection, Species Isolation and Real World Example

For a complete list of videos, visit our video library