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2 years ago

. Which was not a major economic feature of river valleys?

Geography

2 answers:

fomenos2 years ago

7 0

B. fishing was not a major economic feature.

Oxana [17]2 years ago

6 0

The answer should be B.

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Please 1) describe what is meant by the terms short-wave and long-wave energy, 2) name a specific type of electromagnetic energy

Studentka2010 [4]

Answer:

wavelength difference
ultraviolet, infrared
shortwave = Sun; longwave = Earth

Explanation:

The terms shortwave and longwave radiation refer to the wavelength of the radiation, which is the distance from the crest of one wave to the crest of another. The wavelength reflects the energy of the wave. Longwave radiation is less energetic, while shortwave has more energy. Longwave radiation has even longer wavelengths than red light in the visible spectrum, while ultraviolet radiation has wavelengths shorter even than the shortest violet visible light.
Ultraviolet is not the only kind of shortwave radiation; in fact, it is the shortwave radiation closest to visible light on the electromagnetic spectrum. X rays and gamma rays have far shorter wavelengths and thus are more energetic. Infrared radiation is the type of the longwave radiation that is closest to the visible spectrum. Radiation with much longer wavelengths than infrared light include microwaves and radio waves.
The Sun produces its own radiation since it is a body that is much more massive and with a much higher temperature than the Earth. Because of this, the radiation emitted from the Sun is mostly shortwave radiation. The Earth emits radiation as well, but it is infrared radiation emitted in the form of heat that is not visible to human eyes.

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2 years ago

A principal land use over large areas of asia and africa where the climate is too dry to produce crops is

olchik [2.2K]

Hello there!

Your question: <span>A principal land use over large areas of Asia and Africa where the climate is too dry to produce crops is ____________.

Your answer: </span>A principal land use over large areas of Asia and Africa where the climate is too dry to produce crops is nomadic herding.

Happy Studying!

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2 years ago

Why do jovian planets bulge around the equator, that is, have a squashed appearance??

svetoff [14.1K]

<span>Their rapid rotation flings the mass near the equator outward.</span>

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2 years ago

Many scientists believe the solar system formed

Andreas93 [3]

Answer:

over 4.5billion years ago is the answer

Explanation:

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2 years ago

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Explain how temperature is made available and reduced in the system during the mature and dissipate stages

vlada-n [284]

Answer:

What are the four stages of cyclogenesis?

Image result for explain how temperature is made available and reduced in the system during the mature and dissipate stages

Stages of Cyclogenesis

Stationary Stage. The first stage of cyclogenesis, the stationary stage, is named so due to the presence of a stationary front. ...

Wave Stage. ...

Open Stage. ...

Occluded Stage. ...

Dissipation Stage.

Explanation:

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1 year ago