What is the origin of ethiopian calendar

The Ethiopian schedule is a sun based schedule which thus gets from the Egyptian schedule, yet like the Julian schedule, it includes a jump day like clockwork no matter what, and starts the year on August 29 or August 30 in the Julian schedule.

the answer is true. i hope this .

hello most volcanoes are located at either divergent or convergent plate

this is where the plate motions aswell form magma