Energy changes forms from heat, to kenetic, to potential energy. However, the total energy is the atmosphere is conserved, meaning energy can only change forms, but cannot be produced.
A zoonosis (zoonotic disease or zoonoses -plural) is an infectious disease that is transmitted between species from animals to humans (or from humans to animals).
Buddhism was the first of the great missionary faiths to take advantage of the mobility provided by the Silk Road to extend its reach far beyond its native ground. From its origins in north eastern India, Buddhism had already spread into the lands that are now Pakistan and Afghanistan by the 1st century BCE.