Why would amazon want to use driverless delivery trucks with 3d printers installed?

How do you make a lenny face? plz, brailiest to who can answer first.

Scientists have changed the model of the atom as they have gathered new evidence. one of the atomic models is shown below. what experimental evidence led to the development of this atomic model from the one before it? a few of the positive particles aimed at a gold foil seemed to bounce back. the colors of light emitted from heated atoms had very specific energies. experiments with water vapor showed that elements combine in specific proportions. cathode rays were bent in the same way whenever a magnet was brought near them.

Which of the following characters is acceptable to use in a filename? ? / – %