Explanation:
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Exothermic reactions release heat, causing its temperature to fall. If the reaction is lessening the temperature of the object while releasing all the heat, then you know that the reaction is indeed exothermic. Hope this helps!
<u><em>Ponds and rivers are two types of . . . . freshwater ecosystems</em></u>
Answer:
Marie Curie, née Maria Salomea Skłodowska, (born November 7, 1867, Warsaw, Congress Kingdom of Poland, Russian Empire—died July 4, 1934, near Sallanches, France), Polish-born French physicist, famous for her work on radioactivity and twice a winner of the Nobel Prize.
Explanation:
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Answer:
a variable (often denoted by x ) whose variation does not depend on that of another.
Explanation:
