Which sentence includes an example of alliteration? A. The friends decided they would enter the race and win.
B. The feisty friends finished the race in record time.
C. The track coach said they had what it takes to be competitive runners.
D. The four girls trained for the relay for six months.

B.

Explanation:

as "feisty" and "friends" both begin with the same sound - f.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.