The change in the physical properties of Earths interior at the mantle-core boundary makes P waves as they pass through the boundary.
A.)Stop
B.)Expand
C.)Bend

39.8 trillion hours

explanation:

gewgle

the right option is; a. cultures change over time as groups pass their values to other groups and adopt practices practices of other groups.

culture is our way of life and it includes sets of customs, values, beliefs, languages and traditions of a society or a group. culture is acquired over time and it can be shared. the process of cultural sharing occurs when people that belong to a group pass their values, norms, and practices to other groups and also adopt the practices of other groups.