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

Author Question: What percentage of a star's total lifetime is spent on the main sequence? A) 100 B) 50 C) 90 D) ... (Read 101 times)

mia

  • Hero Member
  • *****
  • Posts: 564
on: Jul 27, 2018
What percentage of a star's total lifetime is spent on the main sequence?
 
  A) 100 B) 50 C) 90 D) 20 E) 10

Question 2

The observable universe is the same size today as it was a few billion years ago.
 
  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

frejo

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

FALSE


mia

  • Member
  • Posts: 564
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

coreycathey

  • Member
  • Posts: 333
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

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

Taking off is one of the main times albatrosses use flapping to fly, and is the most energetically d Taking off is one of the main times albatrosses use flapping to fly, and is the most energetically d
Structure of the trachea, which extends from the larynx above to the main bronchi below. Structure of the trachea, which extends from the larynx above to the main bronchi below.
The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black The effective temperature, or black body temperature, of the Sun (5777 K) is the temperature a black
The percentage of women over 40 in the United States who are childless has almost doubled in the ... The percentage of women over 40 in the United States who are childless has almost doubled in the ...
Types of ecosystem service vs. total global value per year Types of ecosystem service vs. total global value per year
Sequence Series Arithmatic Progression Problem Sequence Series Arithmatic Progression Problem
Video: Import of Dietary Glucose from Intestines to Bloodstream

For a complete list of videos, visit our video library