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
OleMash [197]
3 years ago
11

Our atmosphere is composed of several gases. The name of the gas we breathe, O2, is A) dioxide. B) dioxygen. C) oxide. D) oxygen

.
Biology
2 answers:
V125BC [204]3 years ago
8 0

Answer:d oxygen

Explanation:

olasank [31]3 years ago
4 0

Answer:

The answer is "D"

Explanation:

The gas in the atmosphere that we breathe is oxygen. The subscript 2 lets us know that oxygen is a diatomic molecule. That means oxygen goes around in pairs.

Hope this helps!!! :D

You might be interested in
Choose all of the ways that cellular respiration is different from photosynthesis. Select the 4 correct answers. *
shepuryov [24]

Answer:

It uses glucose as a reactant.

It uses oxygen as a reactant.

It makes ATP.

It happens in the mitochondria.

Explanation:

It occurs in cells.  - this is false. Both cellular respiration and photosynthesis occur in cells.

It uses glucose as a reactant.  - this is true. Cellular respiration uses glucose as a reactant, it is broken down to release energy. Photosynthesis produces glucose.

It uses oxygen as a reactant.  - this is true. Cellular respiration uses oxygen as a reactant. In contrast, photosynthesis releases oxygen as a byproduct

It makes ATP. - this is true. Cellular respiration makes ATP. Photosynthesis uses energy to produce the sugar which is used in cellular respiration to synthesise ATP.

It happens in the chloroplasts.  - this is false. Photosynthesis occurs in the chloroplasts, not cellular respiration

It happens in the mitochondria.  - this is true. Respiration occurs in the mitochondria, whereas photosynthesis occurs in the chloroplasts.

It involves oxygen, glucose, carbon dioxide, and water. - this is false, Both photosynthesis and cellular respiration involve oxygen, glucose, carbon dioxide, and water. Photosynthesis produces oxygen and glucose using carbon dioxide and water. Respiration produces glucose and carbon dioxide using water and carbon dioxide.

6 0
3 years ago
What on a bird besides its feet is chemically similar to scales?
Elina [12.6K]
Would it be its beak? It's hard and protective like scales

5 0
3 years ago
Read 2 more answers
What are the two beneficiaries of the blood that flows through the arteries and capillaries?
AVprozaik [17]
Muscles and organs derive the most benefit from the blood that flows in the arteries and capillaries because they obtain food substances and oxygen while releasing wastes.
7 0
3 years ago
Read 2 more answers
Explain why trees are a renewable resource<br> and how this resource can be maintained.
Novay_Z [31]
As humans we can do whatever to gentically modify trees, but trees take over 100 years to grow back, to fix this, we could prevent unessecary tree cutting and plant new trees for the next generations , they're renewable because  they can be replenished over a course of time
8 0
3 years ago
Read 2 more answers
What device can be used to make measurements globally?
AysviL [449]
I would say Satellites. Satellites are the only thing here I see can measure things globally, the rest is more regional. 

5 0
3 years ago
Read 2 more answers
Other questions:
  • 1. What is the total magnification of an object if the ocular lens magnification is 20x and the objective lens magnification is
    15·1 answer
  • What type of unhealthy air pollution occurs when ozone near the ground mixes with other polluting gases
    14·2 answers
  • According to the scientific method, how would you test a hypothesis?
    5·1 answer
  • I NEED HELP PLS!!!! All organisms need a place to live that provides protection, sunlight, and water. sunlight, food, and water.
    8·2 answers
  • The process of grouping things based on their similarities
    13·1 answer
  • On Earth, old matter is recycled into new matter.<br><br><br> True <br> False
    5·2 answers
  • Name two Nature given important part of our life
    5·2 answers
  • PLEASE HELP!!!!!! Answer both of them please!
    5·1 answer
  • If 35.0 g of CH3OH (MM = 32.0 g/mol) are dissolved in 500.0 mL of solution, what is the concentration of CH3OH in the solution?​
    7·1 answer
  • The best method to improve air quality is to
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!