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Georgia [21]
3 years ago
12

What carbon sink are we utilizing when we perform combustion?

Biology
1 answer:
Shalnov [3]3 years ago
7 0
The answer is fossil fuels.

<span>A carbon sink can be a natural (oceans, lakes plants, trees) or artificial (shells, skeletons, fossil fuels) reservoir of carbon. The burning of fossil fuels is known as combustion. Therefore, when we perform combustion, we utilizing fossil fuels.</span>

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EXPERT HELP: Some species can reproduce sexually or asexually. In which two situations is sexual reproduction advantageous?
Sidana [21]
B - When many individuals of the same species are available for mating.
And
C - When the individuals live in a stable environment in which they thrive.
4 0
3 years ago
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¿Por qué las bacterias resistentes se multiplican más rápido después de que un paciente ha tomado antibióticos en comparación co
Fofino [41]

Answer: In Spanish

¿Cómo se vuelven resistentes las bacterias a los antibióticos?

R: Las bacterias pueden volverse resistentes a los antibióticos de varias maneras. Algunas bacterias pueden "neutralizar" un antibiótico cambiándolo de una manera que lo hace inofensivo. Otros han aprendido a bombear un antibiótico fuera de la bacteria antes de que pueda causar algún daño. Algunas bacterias pueden cambiar su estructura externa, por lo que el antibiótico no tiene forma de adherirse a la bacteria que está diseñada para matar.

Después de exponerse a los antibióticos, a veces una de las bacterias puede sobrevivir porque encontró una manera de resistir el antibiótico. Si incluso una bacteria se vuelve resistente a los antibióticos, puede multiplicarse y reemplazar todas las bacterias que fueron eliminadas. Eso significa que la exposición a los antibióticos proporciona una presión selectiva que hace que las bacterias sobrevivientes sean más propensas a ser resistentes. Las bacterias también pueden volverse resistentes a través de la mutación de su material genético.

Answer in English :

How do bacteria become resistant to antibiotics?

A: Bacteria can become resistant to antibiotics through several ways. Some bacteria can “neutralize” an antibiotic by changing it in a way that makes it harmless. Others have learned how to pump an antibiotic back outside of the bacteria before it can do any harm. Some bacteria can change their outer structure so the antibiotic has no way to attach to the bacteria it is designed to kill.

After being exposed to antibiotics, sometimes one of the bacteria can survive because it found a way to resist the antibiotic. If even one bacterium becomes resistant to antibiotics, it can then multiply and replace all the bacteria that were killed off. That means that exposure to antibiotics provides selective pressure making the surviving bacteria more likely to be resistant. Bacteria can also become resistant through mutation of their genetic material.

I don't know if this help you at all.

3 0
3 years ago
What is the relationship of nitrogen and grass
fredd [130]

Nitrogen is the major nutrient required by grass and is used to stimulate high growth rates and is key to achieving high yields, however if too much nitrogen is applied this can have a negative effects on quality.

High rates of nitrogen can also cause problems with silage fermentation due to excess nitrate having a negative impact on the fermentation process and will produce silage that is less palatable and the animals will be less keen to eat it.

<span> <span> </span> </span> <span> Nitrate is generally taken up by grasses quicker than it is incorporated into proteins and until used this excess known as luxury uptake is stored in the leaves. Excess nitrate will be present if insufficient time is allowed between application and mowing and can also occur under conditions of poor growth eg low light levels, cool temperatures. It is also a problem if there is a dry spell after application, when nitrate cannot be taken up by the roots, followed by a period of wet weather that results in luxury uptake. The plant cannot convert it to protein quickly enough so it accumulates in the plant. </span>

High rates of nitrogen may cause a reduction in crop sugars as they are used to provide energy for the increased rate of plant growth and for the manufacture of plant proteins and this increased growth rate may in turn lead to lower crop dry matter content although in practice this is often not significant.

Excess nitrate can be avoided by following the Grassland Rule to apply nitrogen at the rate of no more than 2.5 kg N/ha/day.


7 0
3 years ago
Someone pls help me with this, bcs i really dont know what’s happening, as im new to Biology
love history [14]

Answer:

they can cause a lot of harm in human body

Explanation:

based on research, a virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism.

Bacteria are a type of biological cell. They constitute a large domain of prokaryotic microorganisms.

and lots more all can do a lot of damage to the human body they can even take someone's life.

3 0
3 years ago
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A purebred white dog and a purebred black dog produce offspring with black and white fur. How are these traits inherited?
worty [1.4K]
<span>D) Both are incompletely dominant

Hope this helps!</span>
7 0
3 years ago
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