What word describes a material that lets fluids pass through it?

Canute IV, later the Holy, was king of which country from 1080 to 1086? Which island kingdom did Canute the Great rule in the 11th century, where legend says he ordered the tide to stop? In 1028, Canute the Great forced King Olaf into exile and took over which country? Sept-Iles, Trois-Rivieres and Cap-de-la-Madeleine are in which Canadian province? Cape May, New Jersey, lies on which bay? Cape Town, which lies on Table Bay, is in which country? Which capital city fell to U.S. troops in April 2003? Which was the capital of British India until 1912 and the city where Mother Teresa ministered to the poor?