Answer:
An atom is the basic particle elements are made from
Answer:
Plant, animal, and bacteria cells are different from each other because of the parts and cell functions. A plant and animal cell has have nearly every cell parts in common, but a plant cell has chloroplast to collect sunlight to create energy or chemical energy.
Explanation:
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Answer:
B. It undergoes a physical change.
Explanation:
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In this case, since we know that chemical changes lead to the formation of new atoms and/or compounds due to the bonds rearrangement of the initial substances and the physical changes occur without changing the composition of the initial substances, we can infer that, since melting is a process that changes the phase of matter from solid to liquid without changing the identity of the initial substance, the answer to this question would be B. It undergoes a physical change. because the other options describe chemical changes.
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Answer:
The correct answer to this question would be D, A single replacement reaction takes place because sodium is more reactive than hydrogen.
Explanation:
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