chemical
Burning of a cracker is an irreversible change. Once the cracker is burnt, it undergoes a chemical reaction that cannot be easily reversed to its original form.
I know for sure that it is not, however I'm not quite sure why. Hopefully someone else can explain this.
bcoz once paper is burned it cannot be turned back to its original form
Once water goes down the drain, it enters the sewage system where it is transported to treatment plants. At the treatment plant, the water undergoes a cleaning process involving filtration and chemical treatment to remove impurities before being released back into the environment, often into rivers or oceans.
Once Charlie becomes a genius in "Flowers for Algernon," his personality undergoes significant changes. He becomes more introspective, aware of the complexities of human relationships, and struggles with the isolation resulting from his heightened intelligence. Additionally, he becomes more frustrated with the limitations of others and grapples with a sense of alienation.
Burning of a cracker is an irreversible change. Once the cracker is burnt, it undergoes a chemical reaction that cannot be easily reversed to its original form.
If a the stress of a material exceeds the yield stress, it will not be able to return to its original length or shape once the force is removed.
The overwhelming majority of aluminum on earth is mined from a mineral called Bauxite. Once the aluminum is smelted out, it is no longer a mineral - it is an element: Aluminum.
What? Once a woman undergoes a sex change, she no longer has female reproductive parts. Sorry, dude, but, really, just read the question you just asked. See?
aluminum
Once can buy aluminum for a low price from a variety of different sources. Once can try their local hardware store, a scrap yard, or wholesale metallurgy merchants.
I know for sure that it is not, however I'm not quite sure why. Hopefully someone else can explain this.
An annual event starts with A and happens once a year.
The metamorphic life cycle a typical insect undergoes is: egg---larva---pupa---adult. Typically, an insect hatches from an egg into a larva (caterpillar, maggot, etc). Once the larva has grown sufficiently, it will pupate (form a cocoon) where it undergoes its final life cycle change into an adult (moth, fly, etc.).
bcoz once paper is burned it cannot be turned back to its original form
The only thing that changes when you change your Twitter name is the name at the top of the tweet. The content of your tweets and the number of retweets/favorites stays the same.
When paper is put in water, it undergoes a physical change. The paper fibers absorb water and swell, causing the paper to change in texture and appearance. This change is reversible, as the paper will return to its original state once dried.