Based on the clue 'capable of allowing fluids to pass through it', what is the answer?

What is referred to by 'canvasback'? Based on the clue 'canyonlands national park arches national park ar...', what is the answer? Based on the clue 'cap de la madeleine sept iles trois rivieres', what is the answer? Based on the clue 'cap gris nez which extends into this strait is fra...', what is the answer? Based on the clue 'capable of speeds of 12 mph this aggressive black ...', what is the answer? What is referred to by 'capable succeed accomplish'? Based on the clue 'cape agulhas near the cape of good hope is this co...', what is the answer? Based on the clue 'cape andreas is at the pointy end of this island i...', what is the answer?