1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Hoochie [10]
2 years ago
11

Why do scientists assume the first photosynthetic organisms were anoxygenic?

Biology
2 answers:
Scrat [10]2 years ago
7 0

Answer:

scientists are always finding new things

Doss [256]2 years ago
5 0
Because photosynthesis produces oxygen, scientists assume the first photosynthetic organisms were not consuming oxygen, but producing it.
You might be interested in
What design advantages can you identify in the location of the battery
nikdorinn [45]
Is this science?? Also may I hv options.
8 0
3 years ago
The total magnification of a speci viewed under a compound light microscope is determined by
fredd [130]

It is determined by the,

 size of Image / size of object

7 0
3 years ago
Help Science 7 grade
eduard
The answer it’s Compression
5 0
4 years ago
What is the net force on this object?
Ad libitum [116K]

Answer:

a

Explanation:

7 0
4 years ago
You are part of a small group of humans rocketed at “warp speed” to Planet X, without any books, weapons, or technology. Planet
Lynna [10]
Is there optional cause it just so many words like a story?
5 0
3 years ago
Other questions:
  • All of the following are steps in the formation of a fossil except:
    12·1 answer
  • atmospheric pressure begins to fall slowly during the afternoon on a clear summer day. the pressure continues to drop overnight.
    10·1 answer
  • Which organelles is made of microtubules that functions during cell division?
    14·1 answer
  • Echinoderm is mostly related to the member of the phylum:
    8·1 answer
  • A ____ occurs when the moon passes between Earth and the sun
    10·2 answers
  • How much if the worlds population lives in cities
    7·1 answer
  • WILL MARK BRAINLIEST. <br> How can PCR and gel electrophoresis be used to identify people?
    11·1 answer
  • I'd:4846539230<br><br>passcode Q9opl <br><br>for girls I am bored​
    8·1 answer
  • HELP PLEASE!!!!!
    13·1 answer
  • Humans and dogs evolved from a common ancestor. Which pieces of evidence would support this? Check all that apply. Both of their
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!