Observe the movment of other planets would be your answer
Cool liquid from 314 K to 273 K, freeze liquid at 273 K, and cool solid to 263 K.
I think it is with screens l, chemicals, and filters
I hope this helped
<em><u>Answer and Explanation:</u></em>
<em><u>For % of N2 gas:
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Answer:
Pb oxidation number is +2
C in CH4 is -4. H is +1. 4H + 1C = 0. ; 4(+1) + C = 0 ; C = -4
O is usually -2. 3O = 3(-2) = -6. ; 2Fe =. +6 ; each Fe is +3
2Ag = +2 since O = -2 ; each Ag = +1