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

Author Question: O-type stars A) have lifetimes long enough for advanced life to evolve B) have lifetimes long ... (Read 74 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
on: Jul 27, 2018
O-type stars
 
  A) have lifetimes long enough for advanced life to evolve
  B) have lifetimes long enough for planets to form and for life to appear, but not long enough for advanced life
  C) do not contain enough heavy elements to form planets
  D) have lifetimes too short for planet formation

Question 2

A force can be exerted on an object and yet do no work.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

efwsefaw

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


robinn137

  • Member
  • Posts: 544
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

pratush dev

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o
Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut
Paternity Determination by Blood Type Paternity Determination by Blood Type
Breathe Carolina & Shanahan ft. Haliene - Stars & Moon Breathe Carolina & Shanahan ft. Haliene - Stars & Moon
Apply the body wrap substance to the back with long, smooth strokes, covering the area thoroughly. Apply the body wrap substance to the back with long, smooth strokes, covering the area thoroughly.
Bar-eye phenotypes in contrast to the wild-type eye in Drosophila Bar-eye phenotypes in contrast to the wild-type eye in Drosophila
Video: Fermentation - When Oxygen Is Absent, Pyruvate to Lactate & Pyruvate to Ethanol

For a complete list of videos, visit our video library