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4 years ago

Which best describes the general air temperature on a cloudy night

Biology

2 answers:

Dovator [93]4 years ago

6 0

Answer:

The correct answer would be "higher as compared to the clearer night".

On cloudy nights, most of the infrared radiations or heat energy radiated from the surface of the earth are absorbed or trapped by clouds and are re-emitted from the clouds due to which the temperature of the air becomes higher.

In contrast, on clear nights due to the absence of clouds, most of the radiations escape into space due to which the temperature of the air is comparatively cooler or lower.

Klio2033 [76]4 years ago

3 0

Typically higher than a clear night

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podryga [215]

Answer:

Light microscope:

use a beam of light to produce magnified images
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Scanning electron microscope:

use a beam of electrons to produce magnified images
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Transmission electron microscope:

use a beam of electrons to produce magnified images
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can be used to examine cells

Explanation:

Light microscope: is a commonly used microscope also known as compound microscope. Magnifies images from 40X upto 1000X. It uses ray of visible light to produce a magnified image. The light microscope can be used to view specimen of both living and dead cells or tissues. However, it doesn't give a detailed view of a specimen like electron microscope.

Scanning electron microscope: It uses electron beam as an illuminating source. It has a much higher resolving power than light microscope because it uses electrons instead of light. It magnifies object upto 500000 times the actual size. Internal structures can also be viewed. However, only dead specimen can be used because the beam of electrons can kill the cells. They are of two types:

Scanning electron microscope(SEM): an electron beam passes over the specimen's surface and displaces electrons which are then focused on a screen to form an image. Images appear in 3-D
Transmission electron microscope: electromagnets magnify the image by passing beam of electrons through a thin specimen. Images appear in 2-D

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