« previous next »

Author Question: If we imagine the history of the universe compressed into one year, dinosaurs became extinct ... (Read 146 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
on: Jul 27, 2018
If we imagine the history of the universe compressed into one year, dinosaurs became extinct ________.
 
  A) about an hour ago B) about 6 months ago
  C) about 3 weeks ago D) yesterday morning

Question 2

Why don't low-mass stars have the CNO cycle occurring in their cores?
 
  A) They don't have enough carbon, nitrogen, and oxygen.
  B) The CNO cycle makes elements heavier than carbon, nitrogen, and oxygen.
  C) Their core temperatures are too low.


marict

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Grime's classification of plant life-history strategies Grime's classification of plant life-history strategies
An Extinct Vertebrate and a Modern Relative An Extinct Vertebrate and a Modern Relative
Nursing history for breast assessment Nursing history for breast assessment
Major Events in the History of Psychology (3 of 6) Major Events in the History of Psychology (3 of 6)
Aztecs confront the Spaniards, from Diego de Durán's History of the Indies of New Spain. Aztecs confront the Spaniards, from Diego de Durán's History of the Indies of New Spain.
New year kid drawing New year kid drawing
Video: Interspecific Competition Relationship - Competitive & Niche Differentiation

For a complete list of videos, visit our video library