How can we know what changes between one year of life and the next?

The branch that is capable of determining this is Human Development. Developmentalists can determine the changes between one year to the next, is by using longitudinal research, gathering information repeteadly on the same individual as they grow up, with this they can evaluate the aspects that stay the same, or the ones that are constantly evolving.

yes peace and development are complementary to each other since they both undergo a great deal of getting where they want to go whether its peace in general and. development

answer; passive listening;