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

Author Question: The white dwarf that remains when our Sun dies will be mostly made of ________. A) hydrogen B) ... (Read 47 times)

Marty

  • Hero Member
  • *****
  • Posts: 553
on: Jul 27, 2018
The white dwarf that remains when our Sun dies will be mostly made of ________.
 
  A) hydrogen B) neutrons C) helium D) carbon

Question 2

Why do scientists suspect that life first arose near deep-sea volcanic vents or similar environments with abundant chemical energy?
 
  A) A deep ocean environment would have protected early organisms from ultraviolet radiation before the formation of the ozone layer.
  B) All organisms have similar DNA, with further relations having greater differences.
  C) The chemical pathways for extracting energy from chemicals in vents are simpler than photosynthesis.
  D) A and B
  E) A and C
  F) A, B, and C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bassamabas

  • Sr. Member
  • ****
  • Posts: 294
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

E


Marty

  • Member
  • Posts: 553
Reply 2 on: Jul 27, 2018
Gracias!

Animal_Goddess

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

White Whale White Whale
Buffy Helmetcrest and White-bearded Helmetcrest Buffy Helmetcrest and White-bearded Helmetcrest
A Dwarf Elliptical Galaxy A Dwarf Elliptical Galaxy
Skeletal remains from the Sima de los Huesos, Sierra de Atapuerca, Spain. Skeletal remains from the Sima de los Huesos, Sierra de Atapuerca, Spain.
EMERGENCY TRAUMA ASSESSMENT MADE EASY EMERGENCY TRAUMA ASSESSMENT MADE EASY
Areas of sclerosis (see arrows) in the white matter of a patient with MS. Areas of sclerosis (see arrows) in the white matter of a patient with MS.
Video: Cleavage and Implantation Animation

For a complete list of videos, visit our video library