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Tasya [4]
3 years ago
15

Cell phones use radio waves for communications. What layer of the atmosphere aids in reflecting the radio waves?

Biology
2 answers:
monitta3 years ago
8 0
Hey friend


thermosphere will be the answer.....


:-)
s344n2d4d5 [400]3 years ago
6 0

Answer:

Option (4)

Explanation:

The thermosphere is the layer in the atmosphere that protects the earth as well as helps in carrying the radio signals used for communication purposes. It is the region that lies between the mesosphere (below) and the exosphere (above).  

In this layer, the radio waves are used as a medium for communication. These radio waves carry the data or signals in the form of magnetic fields as well as the oscillating electric field, which are commonly considered as the electromagnetic field (EMF). These radio waves carrying information travels at a speed of light in the air, transmitting these waves in every direction.

Thus, the correct answer is option (4).

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Which statement is true of natural populations?
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Answer:

Population is a collection of individuals of a species living in a defined area

Explanation:

Population:This is a collection of individuals of the same species occupying the same space and able to interbreed freely with one another when individuals of different sexes are brought together.

A species of animals may comprise a single cohesive population or may contain many geographical distinct populations.

Example:A population of Agama lizards in a Campus located in China.The whole human race, Homo sapiens comprising the black, Mongolian,red and white is a population.A population of <u>Cercopithe</u><u>c</u><u>us</u> <u>erythrogaster</u><u> </u>(Monkeys).

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5 0
3 years ago
Which type of microscope has the lowest magnification power
fomenos
A dissection microscope<span> is light illuminated. The image that appears is three </span>dimensional<span>. It is used for dissection to get a better look at the larger specimen. You cannot see individual cells because it has a low magnification. Or just call it a dissecting microscope</span>
6 0
3 years ago
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This fly locates rotting meat for its own food and for its larvae.
Alex17521 [72]

Answer:

Consumer

Explanation:

A consumer is an organism that eats another organism in order to survive. If a fly eats a deer or any rotting meat it is a consumer.

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3 years ago
The scientific evidence that scientists use in supporting or critiquing the conclusions of experiments usually consists of
amm1812

Answer:

<u>Summarized data</u>

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A data summary provides a comprehensive report of experimental findings. This makes the analysis of data easier by answering key research objectives outlined in the experimental procedure.

Also, summaries allow for tracking trends and procedural changes, observations and potential limitations; this makes arriving conclusions much easier.

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