Answer :
B
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Answer: (1)CaSO4 -> (2)O2 + (1)CaS
Explanation: edge 2020 chem
The answer would be <span>c.
Antimatter is made up of neutrons and electrons but no positive particles
Hope this helped</span>
Answer:
D
Explanation:
the production of an odor would indicate that the heat ignited a chemical reaction
Metals present in municipal waste water may still be present in treated sewage sludge IN CONCENTRATIONS THAT MAY AFFECT THE PUBLIC HEALTH. Sewage sludge is an end product of municipal waste water treatment and it contains many of the pollutant that are removed from the waste water.