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

Author Question: The age of a star cluster can be determined by the luminosity of the main sequence turnoff into the ... (Read 55 times)

Awilson837

  • Hero Member
  • *****
  • Posts: 509
on: Jul 27, 2018
The age of a star cluster can be determined by the luminosity of the main sequence turnoff into the giant stage.
 
  Indicate whether the statement is true or false

Question 2

Which of these does Mars NOT have to help its case of past or present life?
 
  A) occasional water flows, and past records of much larger ones
  B) a protective ozone layer
  C) carbon dioxide to provide some greenhouse warming
  D) a favorable distance from the Sun
  E) rover discoveries of sedimentary rocks and carbonates on the surface of Mars


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bubulittle310@msn.cn

  • Sr. Member
  • ****
  • Posts: 281
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

B


Awilson837

  • Member
  • Posts: 509
Reply 2 on: Jul 27, 2018
Wow, this really help

Liddy

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Star Map Eastern Horizon Star Map Eastern Horizon
William Kentridge, History of the Main Complaint. William Kentridge, History of the Main Complaint.
Binding site variation for transcription factor CEBPA along gene PCK1 as determined by ChIP Binding site variation for transcription factor CEBPA along gene PCK1 as determined by ChIP
Main lymph nodes of the arm Main lymph nodes of the arm
Annotation of a DNA sequence containing part of the human beta globin gene Annotation of a DNA sequence containing part of the human beta globin gene
Combination of arrangement and sequence is correct Combination of arrangement and sequence is correct
Video: Angiotensin II - kidneys, adrenal glands and dehydration

For a complete list of videos, visit our video library