Answer:
In an observational study, we measure or survey members of a sample without trying to affect them. In a controlled experiment, we assign people or things to groups and apply some treatment to one of the groups, while the other group does not receive the treatment.
Explanation:
Answer:
A rest is a musical notation causing you to 'rest' for one beat
Explanation:
There are different kinds of audio instrument. The speaker in the audio was en una tienda de ropa.
<h3>What are sound instruments?</h3>
All musical instruments are known to bring about sound. This makes matter to vibrate. The vibrations are known to bring about sound waves moving through the air.
A lot of musical instruments often uses resonance to make or increase the sound waves and make the sounds too be more louder. The voice in the audio is said to be that of en una tienda de ropa
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