Answer: because of isotopes
relative atomic mass =(75/100 × 35) + (25/100 × 37) = 35.5
isotopes of any element behave the same chemically because neutrons do not have any charge
Explanation:
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Answer:
the (air) atmosphere
Explanation:
it fast go to the atmosphere
Answer:
coal
Explanation:
fossil fuels are formed by natural process.
The answer is A warm air rises cool air sinks