I believe the answer is an ion.
Answer:
B
Explanation:
Vaccines prevent illness and disease
<span>ammonium sulphate give 2 moles of ammonium ions
so conc. of ammonium ions =2*0.100=0.200 </span>
Answer:
South American
Explanation:
When you look at a map of plates, only South American forms a boundary with the African plate out of those specific plates
Answer:
In which part of a nuclear power plant does fission take place? A home is heated by a system that uses sunlight to warm water in pipes. Which statement best describes this system? An active solar system because sunlight shines on the pipes naturally.
Explanation:
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