A car traveling down the highway at 40 m/s increases its speed to 52 m/s over the course of 4 seconds. What was the average acceleration during this time?

when it gains or loses electrons

measure their densities same density, same sub

explanation:

considering the bohr theory, the type of connection that requires the transfer the answer conuldn't be right

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide