a catalyst is a chemical
which promotes a chemical reaction
Explanation:
A catalyst helps to aid a chemical process which might be an enzyme, it fast-track the reaction by reducing the total time taken to complete the reaction
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Are you asking about a street map usage if so here is your answer a street map for a very limited area could simply be a bit map or a .jpg image. but a more general map would probably store the streets as vectors. but you shouldn't assume that there is one way to do it
Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking