There are two machines in this photograph. the wheelchair is a compound machine. is the other machine in the photograph a simple or a compound machine? a. simple machine b. compound machine

Simple i believe cause if its a old lady and she is using it to go up a hill it would be a simple 

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the

Bhope this : )