Eli5: if it were possible to weight earth precisely, to the gram, would its weight vary or stay the same over time?

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I understand that all on the surface is likely small in comparison the earth whole mass, but if all that is created and all which disappears is just a renewal of the same elements..is earth’s weight a constant..?

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Anonymous 0 Comments

Everybody seems to be discussing addition of mass due to debris and dust from outer space making it to earth, but would the mass decrease? For instance, burning trees changes the wood to ash, and the flames are creating heat and light energy. The remaining ash obviously doesn’t have the same mass as a full tree, so would that ultimately reduce the mass of the earth?

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