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 43 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!

juliaf

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

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?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

The discovery of aquaporins, water channels made of a transmembrane protein. The discovery of aquaporins, water channels made of a transmembrane protein.
Walrus tusk engraving made by Chukchi artisans depicting polar bears attacking walruses. On display Walrus tusk engraving made by Chukchi artisans depicting polar bears attacking walruses. On display
White lion in Belgrade Zoo, Serbia. White lion in Belgrade Zoo, Serbia.
A spark plug from an engine that had a blown head gasket. The white deposits could be from the ... A spark plug from an engine that had a blown head gasket. The white deposits could be from the ...
Photosynthesis: How Glucose Is Made During photosynthesis, the leaves of green plants absorb Photosynthesis: How Glucose Is Made During photosynthesis, the leaves of green plants absorb
White footed mouse (Peromyscus leucopus) White footed mouse (Peromyscus leucopus)
Video: ACTH/Cortisol (glycogenolysis, protein catabolism, lipolysis and gluconeogenesis)

For a complete list of videos, visit our video library