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 52 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
YES! Correct, THANKS for helping me on my review

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Determination of the complete genome sequence of Haemophilus influenzae by Venter, Smith, and collea Determination of the complete genome sequence of Haemophilus influenzae by Venter, Smith, and collea
Venous Star Venous Star
Spectral Line Motion in Binary Star Systems Spectral Line Motion in Binary Star Systems
Mass Loss from a Supermassive Star Mass Loss from a Supermassive Star
The sequence of steps during delivery is shown clearly in these drawings The sequence of steps during delivery is shown clearly in these drawings
Comparison of an Amino Acid Sequence Comparison of an Amino Acid Sequence
Video: Plant Defense Mechanisms from Pathogens

For a complete list of videos, visit our video library