acid
they break up the food
There is acid in the stomach and chemicals called enzymes in the intestines that break up food and transport the nutrients into your bloodstream.
then break up with him
Yes, using a pull-up bar can potentially break a door frame if it is not properly installed or if excessive force is applied while using it.
It really depends on how you are using the word 'substance'. Check out this site and maybe you can come up with some ideas. http://thesaurus.reference.com/browse/substance Good Luck!!
Ice will break rather then bend
A reaction involving the break up of a substance into simpler substances is called a decomposition reaction. This type of reaction breaks down compounds into their individual elements or simpler compounds through various processes like heat, light, or electricity.
Covalent bonds are the easiest to break, since they are the easiest to make. But no substance is made when bonds break.
A short break line in drafting is made by using a thick, solid, wavy freehand line. It is used to break up an object.
She was resigned to the break up. He resigned from his job.
I had to break up the fracas between mike and rob.
Enzymes are used to break down food.