Both engines use combustion reactions. What are the two types of matter they need to react together?

Chemical classification of matter

Matter can be broken down into two categories: pure substances and mixtures. Pure substances are further broken down into elements and compounds. ... A chemical substance is composed of one type of atom or molecule. A mixture is composed of different types of atoms or molecules that are not chemically bonded.

Explanation:

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wind moving at higher speeds will transfer more energy to the water, resulting in stronger waves.

wire in brush may conduct electricity from cell to drill and vice versa electrc shock possible