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

Author Question: Which of the following gases, which we might be able to detect in infrared spectra, would be a ... (Read 33 times)

Lobcity

  • Hero Member
  • *****
  • Posts: 524
on: Jul 27, 2018
Which of the following gases, which we might be able to detect in infrared spectra, would be a strong indicator of life on another planet?
 
  A) carbon dioxide
  B) ozone
  C) methane
  D) water vapor
  E) sulfuric acid

Question 2

Which sequence of formation by age is correct, oldest to youngest?
 
  A) Dark nebulae, planetary nebulae, emission nebulae
  B) Spiral arms, bulge, halo
  C) Halo, spiral arms, globular clusters
  D) Globular clusters, emission nebulae, open clusters


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

prumorgan

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


Lobcity

  • Hero Member
  • *****
  • Posts: 524
Reply #2 on: Jul 27, 2018
TY


prumorgan

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Probes can be used to detect specific macromolecules Probes can be used to detect specific macromolecules
Compressibility factors of gases and vapors. Compressibility factors of gases and vapors.
Exchange of gases between lungs and blood. High concentration of CO2 in blood capillary entering the ... Exchange of gases between lungs and blood. High concentration of CO2 in blood capillary entering the ...
Expansion Ratios for Liquefied Compressed Gases Expansion Ratios for Liquefied Compressed Gases
Absorption spectra and light energy Absorption spectra and light energy
Mammograms are used to detect breast cancer Mammograms are used to detect breast cancer
Video: Alternative Energy Sources

For a complete list of videos, visit our video library