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

Author Question: Which sequence correctly describes the steps in the life cycle of a star? a. protostar, stability, ... (Read 159 times)

K@

  • Hero Member
  • *****
  • Posts: 608
on: Aug 22, 2018

Which sequence correctly describes the steps in the life cycle of a star?
  a. protostar, stability, nuclear fusion, red giant, supernova
  b. supernova, red giant, nuclear fusion, stability, protostar
  c. red giant, protostar, stability, nuclear fusion, supernova
  d. protostar, nuclear fusion, stability, red giant, supernova
  e. nuclear fusion, protostar, stability, supernova, red giant



Question 2

The water for Earths ocean originated from ____.
  a. volcanic activity and other planets
  b. volcanic activity and comets
  c. other planets
  d. the sun
  e. solar nebula



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fromAlphatoOmega22

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Aug 22, 2018
Answer to Question 1

d

Answer to Question 2

b


K@

  • Member
  • Posts: 608
Reply 2 on: Aug 22, 2018
Gracias!

nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Gametic life cycle, as illustrated by diatoms Gametic life cycle, as illustrated by diatoms
An overview of the citric acid cycle. An overview of the citric acid cycle.
Grace Ndiritu, Still Life: White Textiles. Grace Ndiritu, Still Life: White Textiles.
The crude oil refining showing most of the major steps and processes. The crude oil refining showing most of the major steps and processes.
Dynamic conformational changes in the catalytic cycle of dihydrofolate reductase Dynamic conformational changes in the catalytic cycle of dihydrofolate reductase
Typical sequence of tooth eruption for both deciduous and permanent teeth Typical sequence of tooth eruption for both deciduous and permanent teeth
Video: Energy inputs and release in glycolysis Animation

For a complete list of videos, visit our video library