B. Calcium ions
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The minerals found in bones are deposited by living cells called
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3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?
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When the mercury level in a barometer decreases that atmospheric pressure has
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According to thomson, the atom is a positively charged cloud with electrons scattered throughout. what would the alpha particles do when they hit the foil if thomson were correct
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Hard water contains relatively large concentrations of
A. Magnesium ions
B. Calcium ions
B. Calcium ions
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