What is antenna?what ate they use for

1 answer:

4 0

Antennas are transducers that convert radio-frequencies into alternating currents. The simplest kind of antenna is a length of wire, connected at one end to a transmitter or receiver.

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The typical semidiurnal period of a solar tide according to equilibrium tidal theory is ______ hours, whereas the semidiurnal lu

IgorLugansk [536]

Answer:

24 and 12 h and 12.4 h

Explanation:

For a typical tide of the period of the semidiurnal period for the solar active tides are about 24 and 12 hours as [er the equilibrium tidal theory and those of the semidiurnal lunar tides are about 12.4 hours period of the day.

The tidal ranges occur to form the two high to two low tides a day and semi-diurnal has two low tides each and every day.

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There are _____ different types of air masses that coming from ____ different locations that influence the weather in North Amer

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The answer to the question is : B: 6;6
<span>There are __6__ different types of air masses that coming from _6___ different locations that influence the weather in North America., namely :
a) </span>Continental Polar ; Large sub polar land area b) Continental Arctic ; Canada, United States c) Continental Antarctic ; Antartica d) Continental Tropical ; Sahara, Arabian & Australian Deserts e) Maritime Polar ; Polar Oceans f) <span>Maritime Tropical ; Rocky Mountains</span>

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4 years ago

3. One of _ moons is larger than the planets Pluto and Mercury.

andreev551 [17]

Answer:

You'll learn it in science

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4 years ago

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THIS IS NOT REALLY GEOGRAPHY.. PLS HELP

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Answer: There are 4

Explanation:

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2 years ago

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Earth's tilt over geologic time has stayed at 23.5 degrees since it was created. It has not varied.

Ipatiy [6.2K]

Answer:

b. False

Explanation:

Earths rotates on its axis that is tilted at 23.5° and is reconcile for different seasons on the planet. But the tilt in earth has not been the same since the formation of the planet that is about 4.5 billion years ago.

As the earth continued to evolve the Milankovitch cycle that is a cycle of f 40,000 years causes the planet to change its tilt. The tilt in the earth's axis varies from 22.5 to 24.5° and has done so in its geologic time.

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3 years ago