The answer is option B "temperature." Greenhouse effect is the process of trapping the suns heat in the lower atmosphere. A increase of greenhouse effect would cause surface temperatures to rise.  Which then contributes to global warming because of melting the ice bergs in cooler areas on Earth and causing waters to rise and creating storms. It's not option A because the sun gives off heat or harmful radiant waves which doesn't increase carbon dioxide levels. Wouldn't be option D because it would contribute but it wouldn't happen without a increase of temperature. It also wouldn't be option C because oxygen isn't relevant in this case.
Hope this helps.
 
        
             
        
        
        
Answer:
Nephrotic syndrome (also called nephrosis) happens when your kidneys start losing large amounts of protein in your urine. As your kidneys get worse, extra fluids and salt build up in your body. This causes you to have swelling (edema), high blood pressure and higher levels of cholesterol.
Explanation:
 
        
             
        
        
        
I’m assuming it’s all of the above
        
             
        
        
        
A daughter cell that matures to the inside of the vascular cambium becomes<u> secondary xylem</u> and a daughter cell that matures to the outside of the vascular cambium becomes <u>secondary phloem.</u>
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- The cambium divides its cells to create secondary xylem and phloem. As secondary phloem and xylem tissue builds up, the stem becomes thicker and develops wood and bark.
- The kind of xylem produced by secondary growth is known as secondary xylem. In contrast, during primary growth, the primary xylem develops. 
- As a result, lateral growth, as opposed to vertical growth, is connected with the secondary xylem, as opposed to the primary xylem.
- The procambium, which is found between the xylem axis and the phloem pole, develops into the cambium in the root. 
- A pattern resembling the arrangement of secondary stem is produced when xylem forms in the core and phloem on the perimeter of secondary development.
learn more about vascular cambium here: brainly.com/question/859907
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1.Water evaporates in the presence of sunlight.
 (hydrosphere)
2.Volcanoes release a large amount of gases and other matter during eruption.  
(lithosphere)
3.Lightning causes nitrogen molecules to be split and carried by rain. 
(hydrosphere)
4.Plants release water vapor through their leaves during transpiration.
(biosphere)
Hope this helps!