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3 years ago

7

Which of these changes would solidify a substance?

1 answer:

Vinvika [58]3 years ago

3 0

A decrease in particle movement.
When things heat up, their particles speed up, when they cool down, they slow. In order to solidify something, a good go to is to freeze it (think of water).

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Alfred wegener was the one who made contiental drift theory ?

navik [9.2K]

Yep. he discovered that coastline from south america and africa fit together like a puzzle, which later became a part of the continential drift theory

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3 years ago

Radio waves travel at a speed of 300,000,000 m/s. WFNX broadcasts radio waves at a

yKpoI14uk [10]

Answer:

Wavelength, $\lambda=2.94\ m$

Explanation:

It is given that,

Speed of radio waves is $v=3\times 10^8\ m/s$

Frequency of radio waves is f = 101,700,000 Hz

We need to find the wavelength of WFNX’s radio waves. The relation between wavelength, frequency and speed of a wave is given by :

$v=f\lambda$

$\lambda$ is wavelength

$\lambda=\dfrac{v}{f}\\\\\lambda=\dfrac{3\times 10^8}{101,700,000}\\\\\lambda=2.94\ m$

So, the wavelength of WFNX’s radio waves is 2.94 m.

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4 years ago

Calculate the mass of an 86kg object on the moon

Vikentia [17]

If an object that is 86kg on the moon then that is the answer, 86kg.

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3 years ago

ratelena [41]

Answer:

O Adenine and guanine

Explanation:

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3 years ago

which of the following professionals would most likely be called upon to treat a person suffering from a dangerous level of schi

Likurg_2 [28]

<span>The primary physician in cases of schizophrenia is the psychiatrist.

hope this helps, Terrakmiller80! :-)</span>

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3 years ago