Which statement best describes energy in a system? The total energy of a system is always slowly decreasing
The total energy of a system is always slowly increasing
Energy is always changing in ways that are unpredictable
Energy cannot be created or destroyed only transferred or converted

Which of the following is a cost of urbanization? a-cities can provide a high standard of living. b-cities are hubs of entertainment and education. c-paving over land changes the environment. d-job opportunities are greater in urban centers.

Which of the four major uses is predicted to change the least by 2020?

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?