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
Temka [501]
1 year ago
12

Which two main gases make up the atmosphere

Biology
2 answers:
Ostrovityanka [42]1 year ago
7 0

Answer:

Nitrogen and Oxygen

Explanation:

DaniilM [7]1 year ago
4 0
The two gases that make up the atmosphere are Oxygen and Nitrogen
You might be interested in
All eukaryotic cells have a mitochondria, but only plants and some photosynthetic protists have chloroplasts. Which of the follo
disa [49]

Answer:

B

Explanation:

<u>The correct statement to be inferred from the information would be that all eukaryotic cells need to produce energy</u>.

<em>The mitochondrion is an organelle that is referred to as the powerhouse of the cell. It is the site of oxidative phosphorylation where the energy for the cell's metabolic processes is generated. Hence, if all eukaryotic cells have mitochondrion, it means that they all need to produce energy for their metabolic activities.</em>

The correct option is B.

4 0
2 years ago
5. What happens to the blood flow in the cardiac cycle?
joja [24]

Answer:

the answer is C

Explanation:

6 0
3 years ago
Which two cellular organelles in eukaryotes have both electron transport systems and chemiosmotic mechanisms?
aalyn [17]

Answer:

Mitochondria and the chloroplast

Explanation:

Electron transport refers to the transfer of of electrons from electron donors to electron acceptors via a reduction-oxidation reaction.  

In the mitochondria the process is called Oxidative phosphorylation whereas in the Chloroplast it is called Photo-phosphorylation since it utilizes light.

Chemiosmotic mechanisms allow the movement of ions across a semi-permeable membrane down their electrochemical gradient.

In both mitochondria and chloroplast,have these mechanisms for the production of ATP .

7 0
3 years ago
A population of tree frogs lives in an area that has many types of plants and trees. The skin of most of the frogs is gray, whic
Mila [183]

Answer:

They wouldn't be able to survive as before because they rely on trees to camouflage.

7 0
3 years ago
Read 2 more answers
Which of these is a biotic factor of an ecosystem?
luda_lava [24]
B, The bacteria that live in the intestine of a rabbit. Biotic creature are things that are living, breathing, and need food/water to live. Hope this helps!! & have a great day!!!
4 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the statements below about sexual selection is NOT correct?
    12·1 answer
  • Is oxygen an biotic or abiotic factor?
    8·2 answers
  • 4. The Lion hunts down the Ox and kills it. What is this showing?
    7·2 answers
  • Are the same skull bones seen in the adult also found in the fetal skull
    12·1 answer
  • What is the difference between an artery and a vein?
    9·2 answers
  • Can you help me I stressing out like every time I send it a link pops up like I want he answer
    8·1 answer
  • Which of the following statements best describes cellular respiration?
    11·1 answer
  • 3. (04.03 MC)
    14·2 answers
  • What color order do I write for the Protein?
    13·2 answers
  • The multiple-nuclei model of city structure tends to be most applicable to:.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!