It's obvious that you don't know how to use the word obvious in a sentence because you asked a question on how to use it.
Isotopes are used.
The noun in the sentence "Her nervousness was obvious to everyone" is "nervousness." It refers to the state or feeling of being anxious or apprehensive. This noun serves as the subject of the sentence, indicating what was obvious to others.
I had to maintain a good weight.
The urinary bladder of a person is what controls the urinary system. It is the sentence using the word urinary.
This seems to have an obvious answer. The answer was obvious to all present.
i am obvious about this situation
Most boys are anti-femenist. (what an obvious answer)
The stain was barely discernable.Discernable actions are obvious.
I didn't enjoy the holiday much as it was obvious that something was wrong. Their constant bickering made it obvious that something was wrong.
The vulnerability of those caught in the cross fire was obvious.
Some people have an awful tendency to misplace things in obvious places.
He was not sure whether he wanted to go, and his ambivalence was obvious as he pondered his decision.
The anatomical differences between a squid and an octopus are obvious.
Asking someone else to write a simple sentence using the word "laziness" is simply lazy. :) My laziness became obvious to everyone when I asked for help writing a sentence with the word "laziness".
His obvious knowledge instilled confidence in them that they would learn from their new lecturer.
Its really obvious that today was not going to be a good day.
After he was killed in a drnk driving accident, he was just another statistic.