The answer is D.
If not sorry
Answer:
Chemical Change
Explanation:
Chemical Change. Chemical changes occur when bonds are broken and/or formed between molecules or atoms. This means that one substance with a certain set of properties (such as melting point, color, taste, etc) is turned into a different substance with different properties.
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<span>Igneous or metamorphic. Depending on the energy of the river, they could be anything from large, rounded cobbles or pebbles (as per classification of the Udden-Wentworth Scale), or sand and gravel as identified under other systems. Or angular clasts that haven't been rounded by moving along the bed. Note that the Udden-Wentworth is usually applied to sedimentary features, but can also be used in classifying the *size* of any rock. </span>
