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

Author Question: The very first living organisms on the Earth were probably A) chemoheterotrophs B) ... (Read 53 times)

cartlidgeashley

  • Hero Member
  • *****
  • Posts: 572
on: Jul 27, 2018
The very first living organisms on the Earth were probably
 
  A) chemoheterotrophs
  B) photoautotrophs
  C) photoheterotrophs
  D) chemoautotrophs

Question 2

Brown dwarfs have
 
  A) very narrow habitable zones
  B) no habitable zones
  C) very wide habitable zones
  D) habitable zones similar to the Sun


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Melissahxx

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

B


cartlidgeashley

  • Member
  • Posts: 572
Reply 2 on: Jul 27, 2018
Excellent

nguyenhoanhat

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

« previous next »
 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

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

Some organisms used as models in genetic research Some organisms used as models in genetic research
Saturn as Seen from Earth Saturn as Seen from Earth
Types of pathogenic organisms: (a) bacterium, (b) virus, (c) protozoan pathogens, (d) multicellular ... Types of pathogenic organisms: (a) bacterium, (b) virus, (c) protozoan pathogens, (d) multicellular ...
Long-wave energy flux is emitted from Earth Long-wave energy flux is emitted from Earth
Relative Sizes of Dwarf Planets and Earth Relative Sizes of Dwarf Planets and Earth
Early Earth Early Earth
Video: Control of ventilation rate by other brain centers (posts, hypothalamus & cerebral cortex)

For a complete list of videos, visit our video library