If <em>the isotherms</em> are spaced closely together over some portion of the map, there is a drastic temperature change over that portion.
Answer: Physical changes in nature could then be erosion in a mountain, the melting of snow, and a river freezing over from the cold. Since none of these changes affect the chemical composition of the mountain, the snow, or the river, they are physical changes.
Explanation:
It is a theory on a show that people try to solve.
Answer:
option B. Limestone
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