If a leaf falls from a tree, has work been done on the leaf? Explain.

Hope this helps!

b. latent learning (the word "latent" itself means something that exists but isn't obvious, only under certain conditions! )

r = ρ x length / area  

ρ = r x area / length  

ρ is in ohm-meters  

in basic units, it is m³kg/s³a²  

i think this is it.