Which statement does not describe
a possible benefit of nanocars?
a. they could work together to build really complex things.
b. they could increase the efficiency of building computer chips.
c. they could increase the need to build things from the top down.
d. they could work as medical submarines searching the body for disease

Firstly, the water in the dams hold gravitational potential energy as they are above ground level. the gravitational potential energy is then transferred to kinetic energy as it falls, spinning the turbinethe turbine then spins the generator, which is a large magnet surrounded by metal coils. by doing this, the generator generates electricity. in this action, the energy transfer taken place is kinetic to electric energy

Where is the following?

The answer is b. because when it leaves the bat, its bringing motion on where its going.