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 20 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
Thanks for the timely response, appreciate it

DylanD1323

  • Member
  • Posts: 314
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

A Punnett square depicting a cross between two pea plants heterozygous for purple (B) and white (b) A Punnett square depicting a cross between two pea plants heterozygous for purple (B) and white (b)
Red-eyed and white-eyed Drosophila Red-eyed and white-eyed Drosophila
Female tortoiseshell-and-white cat Female tortoiseshell-and-white cat
Biston betularia betularia morpha typica, the white-bodied peppered moth. Biston betularia betularia morpha typica, the white-bodied peppered moth.
These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting
What is the mole fraction of I2 in a solution made by dissolving 139 g of I2 in 245 g of ... What is the mole fraction of I2 in a solution made by dissolving 139 g of I2 in 245 g of ...
Video: Stroke volume - contractility definition

For a complete list of videos, visit our video library