A. a mixture is a combination of two or more substances in which each substance retains its own properties.
Answer:
longitudinal wave
Explanation:
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Answer:
palisade cell due to presence of chloroplasts
For the first question, the correct answer among the choices listed is option A, a chocolate bar melting in hot car. It is an endothermic process because it absorbs heat energy for it to be melted. For the second question, it think the correct answer is the last option, <span>(-2222) + (-1182) - (-1144).</span>
The number of electrons in the outermost shell of an atom determines<span> its </span>reactivity<span>.</span><span>
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