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2 years ago

How the description of "hertz" in "Animal Sounds" develops an idea introduced in "Incredible Animal Ears.

Social Studies

1 answer:

masha68 [24]2 years ago

8 0

Answer:

The description of "hertz" develops the idea of sounds of very low tones and frequencies that elephants can hear, which is explained in "Incredible Animal Ears."

Explanation:

In "Incredible Animal Ears" we are presented with an explanation of how elephants have the incredible ability to hear sounds with extremely low pitch and frequency and promote communication between them, even emitting signs of socialization and danger. This frequency and tone of the sounds are measured by the hertz, which are explained in "Animal Sounds" which shows how the variation of tones is important in animal communication.

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gladu [14]

Washington
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laiz [17]

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2 years ago

If the number of employed persons in a country equals 24 million, the number of unemployed persons equals 8 million, and the num

Alinara [238K]

Answer:

B. 25%

Explanation:

Given that

employed persons = 24 million

unemployed persons = 8 million

Population over 16 age = 40 million

The total number of the labor force = unemployed persons + employed persons

The total number of the labor force = 24 + 8 = 32 million

$Unemployed\ rate = \dfrac{unemployed\ population}{ labor force}\times 100$

$Unemployed\ rate = \dfrac{8}{32}\times 100$

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Therefore the answer is B.

B. 25%

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2 years ago

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Len [333]

Answer:

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hichkok12 [17]

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