So then because thou art lukewarm, and neither cold nor hot, I will spue thee out of my mouth. Revelations 3:16
Watch out for that magma!
Your question is a sentence and contains the phrase "feature article." (The above is another example of using the phrase in a sentence.)
Some parrots can repeat an entire sentence
It took me longer to get here today because of this detour sign. Because of this detour, your attendance record will be smeared with a tardy. I called you because of this unfolding emergency.
The phrase "Achilles' heel" is a way of naming a weakness. An example of a sentence using the phrase would be: While he was a fantastic Basketball player, free throws were his Achilles' heel.
The mixture of water and salt is a homogeneous mixture. This is an example using the phrase homogeneous mixture.
The solar and wind energy are renewable resources. This is an example using the phrase renewable resources.
Rocks formed by the crystallization of magma on the Earth's surface are extrusive rocks.
Yes, when using "as needed" as an adverbial phrase in a sentence, you do not need commas unless the phrase interrupts the flow of the sentence. For example, "Medication should be taken as needed for pain relief."
He could not draw a conclusion on the basis of conversation. This is an example using the phrase draw a conclusion.
The students are studying because they have a test tomorrow.
The podiatrist gave me inserts to wear in my shoes.