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
ikadub [295]
3 years ago
8

Of those listed which gas is the least abundant in earths atmosphere

Biology
2 answers:
Zolol [24]3 years ago
7 0

Answer:

Option C = Ozone

Explanation:

The Percentage of given gases in atmosphere:

Oxygen = O₂ = 20.95 %

Nitrogen = N₂ = 78.08%

Argon = Ar = 0.93%

Ozone = O₃ = 0.000004%

Nitrogen is most abundant gas in atmosphere while oxygen is second most abundant gas. The nitrogen and oxygen are present in diatomic form such as O₂ and N₂.

Water vapors are also present but the percentage vary according to location. In hot humid areas the percentage of water is 0- 4% and it is third abundant gas.

The percentage of other gases in atmosphere are given below:

CO₂ = 0.0360%

Ne = 0.0018%

He = 0.0005%

CH₄ = 0.00017 %

N₂O = 0.0003%

H₂ = 0.00005%

Elanso [62]3 years ago
7 0

Answer: Option C

Explanation:

Ozone gas is the least abundant gas in the earth's atmosphere.  Their concentration is least but it has hue impact on the people and animals living in earth.

Ozone is the the layer which protects the incoming ultraviolet rays from the sun which reaches the earth.

The percentage of ozone gas is 0.000004% in the atmosphere which is very less.

You might be interested in
Why can the giant baleen whales grow so large? Give two reasons to support your answer..
Vesna [10]
The correct answer to this question is this one: "<span>Since they eat lower on the trophic level and don't expend much energy they are able to grow larger."

</span><span>The giant baleen whales can grow so large because </span><span>they eat lower on the trophic level and don't expend much energy they are able to grow larger. </span>
4 0
3 years ago
An hiv-infected pregnant adolescent does not want a cesarean birth. which finding would indicate the increased risk of perinatal
nirvana33 [79]
The answer would be: <span>A viral load of 1,200 copies/mL
</span>
Viral load determines the number of HIV virus that can be found in every mililiters of blood. More virus means more risk of <span>transmission</span>. A vaginal delivery will cause much more blood than cesarean delivery. The contact of the blood and the baby cause vaginal delivery is more dangerous than cesarean.
8 0
2 years ago
a ball is tossed up in the air. at its peak it stops before beginning to fall. the ball at its peak has
jenyasd209 [6]

Kinetic Energy


Tell me if it's right.

8 0
3 years ago
Read 2 more answers
What is combustion and how does it affect the carbon cycle?
snow_tiger [21]
<span>During photosynthesis, plants use carbon dioxide and produce oxygen. During metabolism oxygen is used and carbon dioxide is a product. Humans impact the carbon cycle during the combustion of any type of fossil fuel, which may include oil, coal, or natural gas.</span>
6 0
3 years ago
Read 2 more answers
The relationship exemplified by bees consuming nectar and carrying pollen from one flower to another is known as: A. Commensalis
ehidna [41]

Answer:

C

Explanation:

Ecological relationships exist between organisms in an ecosystem. MUTUALISM is one of these ecological relationships in which both organisms involved benefits from the relationship. It usually occurs in a way that the actions of one favors the other.

In this example, the bees feed on nectar produced by the flower a plant and carries pollen along when it feeds on the nectar produced by the flower of another plant. The bees are getting fed, thanks to the plant, while the plant is getting cross-pollinated, thanks to the bee.

4 0
3 years ago
Other questions:
  • Which statement regarding the functioning of the cell membrane of all organisms is not correct?
    11·2 answers
  • ASSIGNMENTS
    10·2 answers
  • One of the most crucial aspects of the relationship between dominant and subordinate groups is the ability of the dominant group
    7·1 answer
  • Describe the structure of amino acids and the process by which they are joined together to form proteins.
    15·1 answer
  • A true reversion occurs when the wild-type DNA sequence is restored to encode its original message by a second mutation at the s
    8·1 answer
  • Which arrows indicate weathering and erosion? Select correct arrows. Help :/
    15·2 answers
  • Which type of mutation is responsible for causing sickle cell anemia?
    10·1 answer
  • A metal spoon was left in a pot of boiling soup The cook burned a finger by touching the spoon Why did the finger get burned?
    7·2 answers
  • The immune system uses _____ to combat bacteria and other foreign substances in the body.
    11·2 answers
  • What Is Another Name For Lane D In The Diagram? <br><br> C.) A Positive Control (Apex) (^∇^)
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!