Explain the science behind how a self heating can works Explain what type of reaction occurs – how do you know?

The reactants and products

How it heats up the food or drink alongside a diagram and explanation

What are the advantages an disadvantages to this product and why should they sell it?

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.