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 32 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
:D TYSM

cdmart10

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

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

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

More People Are Living in Cities More People Are Living in Cities
How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives
Earth’s Biomes "الأرض الحيوية" Earth’s Biomes "الأرض الحيوية"
Earth’s Mineral Resources Earth’s Mineral Resources
Animated! Organisms are classified into groups according to their characteristics Animated! Organisms are classified into groups according to their characteristics
Fossil Coelacanth and Living Coelacanth Fossil Coelacanth and Living Coelacanth
Video: Chemical Changes

For a complete list of videos, visit our video library