Answer:
1 the reproductive system. and the immune system is there to fight off any viruses or bacteria that had entered your body. If the bacteria is harmful it will be fought.
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The solution: salt water
Mix: Physical as you could still separate them
A chemical mix can't be reversed.
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- Hannah ❤
Answer:
B. Ca(OH)2(s)+CO2(aq)-CaCO3(s)+H2O(aq)
