Author Question: According to the main sequence turn-off points of the oldest globular clusters, they are about: ... (Read 46 times)

AEWBW

  • Hero Member
  • *****
  • Posts: 579
According to the main sequence turn-off points of the oldest globular clusters, they are about:
 
  A) 4.5 billion years old.
  B) 6.8 billion years old.
  C) 10 billion years old.
  D) 12 billion years old.
  E) 16 billion years old.

Question 2

The terra of Venus are rare, but large continent size uplifted regions over a low surface.
 
  Indicate whether the statement is true or false



jaaaaaaa

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

D

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

For a complete list of videos, visit our video library