2 abiotic(non living) limiting factors are water(A) and food(B)
N light microscopy, oil immersion is a technique used to increase the resolving power of a microscope. This is achieved by immersing both the objective lens and the specimen in a transparent oil of high refractive index, thereby increasing the numerical aperture of the objective lens.
It creates mid-ocean ridges
Green roof do have several advantages over ordinary roofs as follows.
<h3><u>Explanation:</u></h3>
Green roof are defined as the roof over which a thin layer of soil is placed to grow a thin layer of grass or other plants. This have several advantages as follows:
A. Green roof help in reducing water logging in roofs, thereby reducing the dampening of the concrete, and increasing the longevity of the roof.
B. It is actually energy saving, by reducing the summer temperatures by evaporation and transpiration. It also maintains a warm room temperature in winter by reducing the heat loss.
C. It's also actually low in budget. Its initial cost is more than ordinary roof, but the maintenance cost is very low, if not nill.
D. Its a place for recreational activities. Greenery in urban areas are very rare sight, which can be met through this project.
E. Green roofs provide a chance for urban agriculture.
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