Which does NOT demonstrate the law of conservation of matter? (1 point)

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CH4 + 2 O2→CO2 + 2 H2O
NaOH + HCl→NaCl + H2O
2 NO2 + H2O→HNO3 + HNO2
PbO + C→2 Pb + CO2

When recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous years?

Ineed your asap, it due select the items that were included in the terms of the 1848 treaty of guadalupe-hidalgo (which ended the mexican-american war). question 6 options: the united states gains the new states of missouri, nebraska, kansas, and iowa. the united states paid mexico $15 million dollars for land obtained as a result of the end of the war the united states demanded a permanent military presence in mexico. the united states gains territory in present-day california, new mexico, arizona, utah, nevada, and parts of colorado and wyoming.

What is one reason people several different parts of north and south america develop different cultures