Author Question: Hubble's constant is about 22 km/s/million light-years, implying an age of about 14 billion years ... (Read 115 times)

OSWALD

  • Hero Member
  • *****
  • Posts: 580
Hubble's constant is about 22 km/s/million light-years, implying an age of about 14 billion years for the universe. If Hubble's constant were 11 km/s/million light-years, the age of the universe would be about
 
  A) 7 billion years.
  B) 14 billion years.
  C) 28 billion years.
  D) Impossible to say, because Hubble's constant has no relationship to the age of the universe.

Question 2

Which of the following best describes the predominant scientific view of the origin of life on Earth?
 
  A) Life probably migrated to Earth from some other world.
  B) We may never know precisely how life arose, but current evidence suggests that life probably can arise naturally under the conditions that prevailed on the early Earth.
  C) Life arose through a series of extremely unlikely chemical coincidences, making it seem almost miraculous that life ever came to exist at all.
  D) We can describe with great certainty the precise steps by which life arose on Earth.



BAOCHAU2803

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

For a complete list of videos, visit our video library