The pert network provides a project manager with a plan that puts all the activities of a project in the correct order that they must be accomplished, shows which activities can be accomplished simultaneously, and, also gives the manager a good estimate of how long each activity will take to complete. true or false?

what experimental evidence led scientists to change from the previous model to this one?

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.

pretty sure it's false

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2