Complex Sentence:
The storm raged for hours, but its fury finally began to abate as the sun peeked through the clouds.
Compound Sentence:
The noise from the street was unbearable, so I closed the windows to abate the sound.
The storm raged for hours, but its fury finally began to abate as the sun peeked through the clouds.
The noise from the street was unbearable, so I closed the windows to abate the sound.