Answer:
An Ocean beach
Explanation:
a Ocean beach is far heavier than the top of a mountain, despite that a mountain is made with many heavy rocks a Ocean beach may have light sand but the layers of sand and the width would be way heavier then the top of a mountain.
Chemical energy (calories) is converted by your body walking on the surface into mechanical/kinetic energy
Answer:
Humus
Explanation:
Its Humus I believe. I remember learning something like this.
Here... I've finished this course already