Answer:
Atmospheric precipitation, livestock and poultry operations and urban wastes.
Explanation:
This theory was first proposed by Nicolaus Copernicus<span>. </span>Copernicus<span> was a Polish </span>astronomer<span>. He first published the heliocentric system in his book: De revolutionibus orbium coelestium , "On the revolutions of the heavenly bodies," which appeared in 1543.</span>
4. the cinder has a potential energy
using the formula mgh
79x10x20= 15800 Joules
5. the bell has a potential energy
using the formula mgh
45x90x10= 40500 Joules
6. potential energy
using mgh
72x966x10= 695520 Joules
It's stable of it has an equal amount of <span>protons and electrons</span>
