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adell [148]
3 years ago
10

Lead is melted and is poured into a mold to make fishing weights. This is an example of a________change.

Biology
1 answer:
Anna71 [15]3 years ago
6 0
Physical change because it does not combine with any other substance it just changes the state of matter
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What description of DNA replication is correct?
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Determine the genotype of the purple flower if purple (P) is dominant and white (p) is recessive
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Pani-rosa [81]

Answer:

air warms up, the molecules start to vibrate and bump into each other, increasing the space around each molecule. Because each molecule uses more space for motion, the air expands and becomes less dense (lighter). ... The opposite effect happens when air cools.

Explanation:

temperature of the air drops off very rapidly at first, but with every drop in temperature, it gives off less energy during the next interval of time, so the rate of cooling decreases. In contrast, the water cools very, very slowly; the energy it emits is a drop in the bucket (so to speak) compared to the total amount of energy in the whole cubic meter, so the temperature change is small.

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