Physics, 14.11.2019 16:31 youcandoit13
If the pitch of the sound coming out from a speaker increases, which is true about the sound wave?
(a)wavelength increases
(b)wavelength decreases
(c)amplitude increases
(d)amplitude decreases
Answers: 1
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What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?
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Explain what will happen if decomposers were apsent from a forest ecoysystem.
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Physics, 22.06.2019 20:30
Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm
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Physics, 22.06.2019 21:00
The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.
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If the pitch of the sound coming out from a speaker increases, which is true about the sound wave? <...
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