Which of these surface features are formed because of the chemical actions of groundwater?

a. wells and waterfalls

b. sinkholes and caves

c. hot springs and geysers

d. wetlands and volcanoes

which are post-impressionist paintings? check all that apply?

explanation:

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 color.

hope this have a good day

the most logical answer would be a