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Nata [24]
3 years ago
7

How do scanning electron microscopes differ from transmission microscopes

Biology
1 answer:
Phoenix [80]3 years ago
3 0
The accelerating voltages are much lower than in TEM because it is no longer necessary to penetrate the specimen; in a SEM they range from 50 to 30,000 volts;

as well as rather than the broad static beam used in TEM, the SEM beam is focused to a fine point and scans line by line over the sample surface in a rectangular raster pattern
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Brilliant_brown [7]

<u>Wernicke's area</u> was probably injured in his accident.

<u>Option: B</u>

<u>Explanation:</u>

The Wernicke area is the brain region which is required for the development of languages. It is situated in the temporal lobe on the left side of the brain and is essential for speech comprehension, whereas the region of Broca is connected to speech output.

The area is situated in the cerebral hemisphere's left portion generally near posterior region of the Superior Temporal Gyrus (STG).The brain's section named as lateral sulcus where the gathering of temporal lobe and parietal lobe take place in the auditory cortex, is covered in this zonal area.

5 0
4 years ago
Type the correct answer in the box. Spell all words correctly.
Strike441 [17]
A large number of species in an ecosystem can be collectively termed as biodiversity.
8 0
3 years ago
Which of the following is not a reason that introduced species are a threat to biodiversity? (1 point)
Leya [2.2K]

A. Introduced species can cause exponential biological magnification

6 0
3 years ago
What do scientist think causes the water in the boiling river to reach such high temperatures?
Rama09 [41]
The predominant theory is from the geothermal gradient of the Earth. Being closer to the Earth's mantle, underground water tends to be of a higher temperature than surface water.
6 0
3 years ago
Please help- 10 points
cluponka [151]

Answer:

im not sure but i think it is all of the above

Explanation:

5 0
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