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

Author Question: Stars spend about 90 of their lifetime on the main sequence. Indicate whether the statement is ... (Read 25 times)

@Brianna17

  • Hero Member
  • *****
  • Posts: 550
on: Jul 27, 2018
Stars spend about 90 of their lifetime on the main sequence.
 
  Indicate whether the statement is true or false

Question 2

According to current scientific estimates, when did the Big Bang occur?
 
  A) about 10 billion years ago
  B) about 65 million years ago
  C) about 4.5 billion years ago
  D) about 14 billion years ago
  E) about 20 billion years ago


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

coyin

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

D


@Brianna17

  • Member
  • Posts: 550
Reply 2 on: Jul 27, 2018
:D TYSM

  • Member
  • Posts:
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

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?

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.

Structure of cellulose, the main macromolecule of the primary cell wall Structure of cellulose, the main macromolecule of the primary cell wall
Spider main organs Spider main organs
The Pleiades, an open cluster of stars in the constellation of Taurus. The Pleiades, an open cluster of stars in the constellation of Taurus.
Common restriction enzymes, with their recognition sequence, DNA cutting patterns, and sources Common restriction enzymes, with their recognition sequence, DNA cutting patterns, and sources
Estimates of the dates of origin and extinction of the three main groups of hominins (green, blue, a Estimates of the dates of origin and extinction of the three main groups of hominins (green, blue, a
Three common eukaryotic promoter consensus sequence elements Three common eukaryotic promoter consensus sequence elements
Video: Summary of female reproductive cycle days 1-28

For a complete list of videos, visit our video library