The elliptical shape of the earths orbit changes all the time. true or false?

For all machines-not just hammers- the user applies force force to the machine to the machine over a certain distance. question 1 options: input output duo none of the above

2with a manual transmission, the speed of thevehicle determines

Guess what ya'll tmr is my birthday i finna be 15 lets ! and if sum person wanna report me because i'm happy then (f.uuu.c.k) outta here cuz you just a b.ii.t.c.h.)