How do you use inert in a sentence?

Answer 1

Helium is an inert gas, and seldom reacts with other elements.

After the explosion, they discovered the inert bodies of the two guards.

The inert Lunar Rover is still parked at the landing site of Apollo 17, awaiting a new battery and a new driver.

Answer 2

• The three of them lay inert on the ground.
• This inert bacteria is no longer harmful.
  

Answer 3

Here are some sentences.

This is an inert material.

Is that element inert at room temperature?