Why is the alarm calling of the vervet monkey an example of advanced communication?
the response is innate and varies over time.
the response is innate and stays consistent over time.
the response is learned and stays consistent over time.
the response is learned and varies over time.

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and colour.

explanation:

d. groundwater flows through the subsoil and deposits minerals.