Answer:
A map usually has a legend, or key, that gives the scale of the map and explains what the various symbols represent. Some maps show relief, or changes in elevation. A common way to show relief is contour lines, also called topographic lines. These are lines that connect points that have equal elevation.
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Answer:
Rotting of food
Explanation:
Enzymatic reaction causes molecules to change when rotting, therefore, rotting is a chemical reaction.
Answer:
i think ur missing the equation
Explanation: