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
ELEN [110]
4 years ago
8

Which of the following statements explains how an oxygen-rich atmosphere was possible?

Biology
1 answer:
Flura [38]4 years ago
8 0

Answer:

a

Explanation:

the rate of oxygen consumption were lower than rates of photosynthesis. Photosynthesis occurs at a faster rate than oxygen consumption, more oxygen present in atmosphere than carbon dioxide

You might be interested in
Describe the function of the cell parts of cell membrane
ValentinkaMS [17]
The cell membrane<span> is selectively permeable to ions and organic molecules and controls the movement of substances in and out of </span>cells<span>. The basic </span>function of the cell membrane<span> is to protect the </span>cell<span> from its surroundings. It consists of the phospholipid bilayer with embedded proteins.</span>
7 0
3 years ago
Read 2 more answers
What is environment<br>gd afternoon <br>what is environment ​
Thepotemich [5.8K]

Answer:

good afternoon

Explanation:

Environment means anything that surround us. It can be living (biotic) or non-living (abiotic) things. It includes physical, chemical and other natural forces. ... In the environment there are different interactions between animals, plants, soil, water, and other living and non-living things.

6 0
2 years ago
The coloration of Adelie penguins is very simple compared to some of their more colorful cousins. Their coloration could also be
Karolina [17]
To avoid predators, animals often camouflage. It is an animal adaptation in order to protect themselves from predators. Adelie penguins' predators are white sharks and they have developed coloration similar to the white sharks. That way white sharks will hardly distinguish them from other sharks.
4 0
4 years ago
8. which statement best explains why compounds have different properties than the elements that form them?
Anon25 [30]
Since options aren't given the responder will display the answer.

They are bonded by atoms.

The atoms in a compound are held together by a chemical bond. The chemical bonds can be either covalent bonds or ionic bonds. Both the bonds are considered very strong bonds. These bonds are mainly formed by sharing of electrons or in the case when one of the elements making the compound donates electron to the other element. The nucleus of each atom attracts to form a strong bond. This property of attraction between the nucleus of the atoms actually helps in forming the chemical bonds.<span>
</span>
3 0
4 years ago
How do human beings contribute to the phosphorus and sulfur cycles?
mylen [45]
Pile up the chemical fertilizers to the soil.


5 0
4 years ago
Read 2 more answers
Other questions:
  • If you had a fruit tree that bore little fruit, you might try to _____. graft the scion onto a good rootstock cut a section of t
    5·2 answers
  • gene expression can occur at several points along the pathway from DNA to RNA to proteins. In one example of gene expression, th
    9·1 answer
  • Which organelles are most of the 36 atp molecules produced?
    9·1 answer
  • After infection of a cell, a viral particle must transport itself to the nucleus in order to produce viral proteins. What is the
    15·1 answer
  • Describe remediation techniques and how they work.
    14·2 answers
  • Air and water pollution result manly from what?​
    6·1 answer
  • What happens when light goes through a prism
    12·1 answer
  • Suppose you try to heat your house using a fireplace in one of the rooms. Would a fan be helpful?
    11·2 answers
  • If a virus were to infect the rat in the food web pictured below, which organism(s) would be most impacted?
    5·1 answer
  • If the normal body cells of an organism each contain 36 chromosomes, how many chromosomes would be found in a gamete produced by
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!