Learn more physics!
on school a teacher told me that however the population of the earth is growing earth isn't getting heavier.
Is this true? And why?
- sijmon van abbema (age 14)
Schettens, Friesland, Nederland
Sure- When I gain weight, it comes from food I eat. More weight for me means less weight for the rest of the world. The same goes for our species as a whole.
(published on 11/10/2011)
Follow-Up #1: asteroid weight gain
The only way for the Earth to get heavier is from asteroid impacts.
True, if you include meteorites.
(published on 11/11/11)
Follow-up on this answer.