Limestone is easily dissolvable by water and often a small steam or even river and carve away at the stone and create caverns or caves
Answer: Nuclear fusion
Reasoning: most of a stars life is in the main sequence phase. This is the phase where nuclear fusion turns hydrogen into helium.
The process wherein acidity or heat disrupts or destroys the normal shape of a protein is called denaturation. It involves the losing of nucleic acids their quaternary, tertiary and secondary structure. However, this reaction is not enough to break the peptide bonds so the primary structure remains.
The answer is D.
It is the most needed because if the waste of the body doesn't get removed then you will become very ill and possibly die.
Hope this helps! :)
I believe the answer would be <span>D.) Abnormal</span>