Which factor contributes the most to the process of water erosion? A) evaporation
B) gravity
C) pressure
D) temperature
HELP

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.

What are two different ways you could find the value of a? explain these methods.

Which governments provide garbage collection services to homes and businesses