Answer:
Scientists say it could be that it was either a ritual or that they drew them to tell stories of the past.
Explanation:
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You can find how many calories are in a package of food by looking at the nutrition facts.
Contours are lines on a map that show or represent the height of the land. When contours are closely spaced this means that the land rises rapidly with distance or the land is steep. When they a widely spaced it means the land rises gently or the area is relatively flat or undulating. Specific contour shapes usually represent a particular land form or feature. V shaped contours usually represent a valley or a river valley.
