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one is a and my sister in the with me to go in my
I cant entirely tell for now but an article on rodioactivity should solve the problem
Answer:
Ca generally loses two electrons from its outer shell to form a Ca2+ ion.
Plants require pH to thrive which in turn gives us food.
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Note that melting and vaporization are endothermic processes in that they absorb or require energy, while freezing and condensation are exothermic process as they release energy.
