3 years ago

In 1990, the northern spotted owl was listed as endangered. Because of this, millions of acres of forests in the Pacific

Chemistry

1 answer:

Gwar [14]3 years ago

8 0

Answer:

the endangered spices act

Explanation: The US Endangered Species Act (ESA) is our nation's most effective law to protect at-risk species from extinction, with a stellar success rate: 99% of species listed on it have avoided extinction.

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how can you find the Frequency if you only have the wavelength? can you solve this example what is the Frequency of the waveleng

DiKsa [7]

Answer:

75000 Hz

Explanation:

f = V / λ (f= frequency, v=velocity of wave, lambda= wavelength)

alternatively, f = c / λ (f= frequency, c= speed of light- 3.00x10^8 m/s, lambda= wavelength)

f= [3.00x10^8 m/s]/[4000 m]

=75000 Hz

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3 years ago

You decide you want to carry a boulder home from the beach. It is 20 centimeters on each

e-lub [12.9K]

Answer:

Weight of boulder = 22,400 gram

Explanation:

Given:

Volume = 8,000 cm³

Density = 2.8

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Weight of boulder

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Weight of boulder = Volume x Density

Weight of boulder = 8,000 x 2.8

Weight of boulder = 22,400 gram

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Neils Bohr determined that electrons inhabit distinct energy levels.

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nikdorinn [45]

I think the answer is the moon

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3 years ago

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kondor19780726 [428]

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