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
photoshop1234 [79]
3 years ago
7

What two processes contributed oxygen to Earths

Biology
1 answer:
Leona [35]3 years ago
4 0

Answer: photosynthesis and photolysis

Explanation:

Ez

You might be interested in
Which of the following can you correctly infer from the graph about how the pH affects the enzyme's role in the target chemical
Snezhnost [94]

Answer:

I'm going to say since I cannot see the graph i'm guessing that it shows an enzyme at its peak and lowering so i'm going to say the first one 1) There is a specific pH range in which the enzyme effectively lowers the reaction's activation energy

Explanation:

i hope this helps

6 0
3 years ago
Which of these pairs shows the correct combination of bones and types of joints present in them?
AleksandrR [38]
Elbow - hinge joint is the <span>pairs shows the correct combination of bones and types of joints present in them. 

</span>In primates, including humans, the elbow joint is the synovialhinge joint<span> between the humerus in the upper arm and the radius and ulna in the forearm which allows the hand to be moved towards and away from the body.</span>
8 0
3 years ago
Which of the following would a prokaryote have?
Blizzard [7]
It’s A/cytoplasm because a prokaryotes cells have it^
3 0
3 years ago
Read 2 more answers
A(n)_____________ is the part of the enzyme into which the substrate fits.
slega [8]
(A) the active site is the part of the enzyme into which the substrate fits.So Active Site is the answer to your question.
5 0
3 years ago
What is an advantage of thin capillary walls
jok3333 [9.3K]

Answer:

Thin walls easily allow water, oxygen, carbon dioxide, and other nutrient and waste substances to exchange between blood cells and the surrounding tissue better.

Explanation:

8 0
4 years ago
Read 2 more answers
Other questions:
  • The symbiotic relationship between a flower and the insect that feeds on its nectar is an example of
    11·1 answer
  • 4) Stem cell research is an emotional topic. Although the advancements in DNA technology are remarkable, there are many argument
    13·1 answer
  • Students used gummy bears to represent cells in the gummy bear osmosis lab. After obtaining an initial mass for each gummy bear,
    15·1 answer
  • Which of the following policies would probably not be effective in preventing a species from becoming extinct?
    8·1 answer
  • Salt is used to melt snow and keep roads clear during the winter in many cities. Land adjacent to de-iced roads often ends up wi
    5·1 answer
  • write any two functions of pavement epithelium. name the tissue that secretes hormones and digestive juice.​
    8·1 answer
  • Which layer of Earth is made up partly of crust and partly of Mantle material?
    5·1 answer
  • Although the shapes of neurons vary widely, most neurons share the same basic parts. What three parts are common in a typical ne
    12·1 answer
  • An organism’s characteristics, or traits, are due to genes. Different versions of genes create different traits. What are these
    14·1 answer
  • Darwin’s theory of common descent states that all organisms _____.
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!