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
lora16 [44]
3 years ago
15

When was oxygen first produced?

Biology
2 answers:
sp2606 [1]3 years ago
5 0

2.45 billion years ago

Explanation:

but was discovered in 1772

Wewaii [24]3 years ago
3 0

Answer:

2.45 billion years ago

Explanation:

You might be interested in
Which organelles are found in plant cells but not in animal cells?
Valentin [98]

Answer:

Organelles that are found in plant cells, and not in animal cells, are chloroplasts, a call wall, specialized plastids, and a large central vacuole.

Hope you found this helpful <3

8 0
3 years ago
Read 2 more answers
Glucose is a molecule that can move across the cell membrane. If the concentration of glucose is higher outside the cell than in
Liula [17]

It seems That teh molecules can move towards the membrane

5 0
3 years ago
Read 2 more answers
I need help please ASAP..
evablogger [386]
with which ones babe
3 0
2 years ago
Organisms that use the sun energy to turn water and carbon dioxide into food molecules are called
s344n2d4d5 [400]
Producers.... hope this helps :)
5 0
3 years ago
Jillian made a model of an animal cell. She used a round balloon to represent the cell membrane. She pushed objects like marbles
likoan [24]

Answer:b

Explanation: took the goddam test

7 0
3 years ago
Read 2 more answers
Other questions:
  • Membrane proteins are not soluble in water solutions. To purify and crystallize membrane proteins, the proteins need to be disso
    15·1 answer
  • During winter time, the total number of sunlight decreases. What effect would this have on the pricess of photosynthesis
    5·2 answers
  • The troposphereis the thickness of an equator
    5·1 answer
  • Nucleotide bases bonded to a sugar phosphate backbone make up
    15·1 answer
  • Which of the following is the factor involved in the dynamics of rivers carvings canyons in rocks?
    10·2 answers
  • Can cut in half centipedes still live?
    10·2 answers
  • The ad populum fallacy occurs when
    15·1 answer
  • What did the Miller-Urey experiment demonstrate?
    13·1 answer
  • Not sure about this probably simple bio question
    12·1 answer
  • If you have 6 pairs of homologous chromosomes, how many chromosomes do you have ?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!