Find the net charge of a system consisting of 212 electrons and 165 protons

Like a key in a lock, the shape of the. must bind with the. of the recieving neuron

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?