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2 years ago

How is the doppler effect used in doppler radar in meteorology.

Geography

1 answer:

o-na [289]2 years ago

5 0

Answer:

The Doppler radar uses what is known as the Doppler effect. In essence, the frequency of the radar signal increases when precipitation is moving towards the radar and decreases when precipitation is moving away from the radar. This can be vital in predicting tornadoes or gusts of wind.

Explanation:

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Answer:

because there might be changes in the future which could make the estimates unreliable for example war or decline in economy

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2 years ago

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3 years ago

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Match each eon with the appropriate characteristic or event. 1. Hadean eon 2. Archean eon3. Proterozoic eon4. Phanerozoic eona.

Andreyy89

Answer:

1. Hadean eon --- a. formation of the solar system
2. Archean eon --- c. toxic atmosphere; first bacteria
3. Proterozoic eon ---- d. buildup of oxygen; first eukaryote
4. Phanerozoic eon. --- b. current eon

Explanation:

The Hadean Eon represents the formation of the planet that is time before the reliable fossilized record of the life and ended about 4.0 billion years ago. The Archean eon is characterized by the toxic atmosphere and the arrival of the first single-celled organism as bacterial life forms.

The current era dates to the geologic formation of the Phanerozoic eon and covers about 542 million years and the Proterozoic era was the formation of the first oxygen molecules and first Eukaryota.

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