The is how many waves pass move pass a fix point in a unit of time,
usually like a second.
(Page: Frequency Pitch Match It)
pitch
vibrate
Amplification
frequency
Yes

Which change should be made to improve this sentence? allen jumped in the puddle and his new shoes got wet and muddy.a)the new shoes got wet and muddy and allen jumps in the puddle.b)allen jumped in the puddle and got his new shoes wet and muddy.c)allen jumped in the puddle and gets his new shoes wet and muddy.d)the new shoes are getting wet and muddy and allen jumped in the puddle.

You have 24 hours to sleep, eat, work, and do all your personal tasks. which is the most effective way to do more in your day? a. eat less b. sleep less c. work more d. take more breaks

Which claim does the sentence "teach english and play with children in local orphanages by day and enjoy the sights and new friends by night" support?