WILL GIVE BRAINLIEST AND 30 POINTS!
A nanofilm is an example of nanotechnology. Which statement correctly identifies it as being part of nanotechnology?

It must display quantum effects.
It is smaller than a single atom.
It is bigger than a microfilm.
It is a device that cannot be controlled.
IT IS NOT B!

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

Wind and moving water provide energy. question 1 options: chemical mechanical thermal none of the above

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.