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Orlov [11]
3 years ago
9

Even though natural gas is the cleanest of the fossil fuels, which of the following are problems with natural gas? Select

Biology
1 answer:
andrew11 [14]3 years ago
6 0

Answer:

It is dangerous if directly inhaled, it is not a very abundant energy source and it releases the most toxins when burned i think :))

Explanation:

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Explain how Co2 is able to control fires?<br><img src="https://tex.z-dn.net/?f=co2" id="TexFormula1" title="co2" alt="co2" align
Alborosie

Carbon dioxide is heavier than oxygen gas. It therefore displaces the oxygen gas around a flame. Without oxygen, the combustion reaction will stop and the flame will be put out.

Further Explanation:

In order for a combustion reaction to happen, three components must be present: fuel, oxygen, and heat to cause ignition. When one of these three is removed, the combustion reaction will stop.

CO2 fire extinguishers use the difference in mass of the CO2 and oxygen molecules to stop the fire. Since CO2 is heavier, it will displace any oxygen molecules that are around the flame. When this happens, the supply of the oxygen will be limited or cut-off and the fire will eventually be put out because of the lack of oxygen. This ability to displace oxygen is also what makes using CO2 as fire extinguisher quite dangerous for the user since it pushes away the oxygen that is needed for respiration.

Other ways to put out fire include spraying liquids that absorb the heat to avoid spreading the fire further or spraying substances that coat the fuel (flammable materials) to avoid contact with oxygen gas which can lead to further combustion.

Learn More

  1. Learn more about combustion brainly.com/question/9641392
  2. Learn more about fire extinguisher brainly.com/question/3905469
  3. Learn more about respiration brainly.com/question/1448925

Keywords: carbon dioxide, fire, combustion

8 0
3 years ago
Nerve cells are specialized to transmit chemical signals throughout the body. Some nerve cells in humans can be several feet lon
Doss [256]

Answer:

A.

Explanation:

5 0
3 years ago
Read 2 more answers
Explain the adaptive value of a larger body size at high altitudes.
Vera_Pavlovna [14]
<span>it's colder the higher you go, a big body can retain heat better</span>
6 0
3 years ago
Read 2 more answers
1. Ms. L's symptoms include shortness of breath, a chronic cough productive of thick mucus,
Elina [12.6K]

The small cell extensions that beat to create an up-ward current are called microvilli.

<h3>What are microvilli?</h3>

Microvilli are small extensions which are found on the surface of the alveoli of the lungs.

The microvilli play an important role in the lungs as the help to remove particles and mucus that may obstruct the lungs as a result of the upward current they create in the lungs from their beating motion.

Therefore, the paralyzed small cell extensions that beat to create an up-ward current are called microvilli.

Learn more about lung microvilli at: brainly.com/question/12993303

#SPJ1

3 0
1 year ago
The net primary productivity is usually more than 80% of gross primary productivity.
fomenos

Answer:

b. False

Explanation:

  • As GPP stands for the gross primary productivity, it's the total amount of energy produced in the process and the NPP is the net primary productivity. NPP is the difference between the GPP and the energy used by the producer for the process of respiration.
  • GPP is a continuous and ongoing process that consumes the energy as compared to the NPP that store energy and not being used. Thus, GPP can affect NPP but NPP does not affect GPP.
  • For example, GPP is completely being dependent on the chlorophyll content of the plant, but NPP is independent of that content of chlorophyll.
7 0
3 years ago
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