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 82 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?

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?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

The elliptical galaxy Centaurus A at visible, far-infrared and x-ray wavelengths. The elliptical galaxy Centaurus A at visible, far-infrared and x-ray wavelengths.
The Role of Gases in the Atmosphere The Role of Gases in the Atmosphere
HNMR spectra HNMR spectra
Bright-Line Spectra of Hydrogen and Helium Bright-Line Spectra of Hydrogen and Helium
Sun's composition of Gases. Sun's composition of Gases.
Mammograms are used to detect breast cancer Mammograms are used to detect breast cancer
Video: Secondary and tertiary levels of protein structure Animation

For a complete list of videos, visit our video library