What is referred to by 'careless or untidy'?

Based on the clue 'carefully paddling down this congolese river that ...', what is the answer? Based on the clue 'carefully replace the strings on this ancient inst...', what is the answer? What is associated with: carel fabritius rembrandts finest student died in a 1654 explosion in this dutch pottery city? What is associated with: carel struycken who was the giant on twin peaks took on this role in the 1991 film? Based on the clue 'careless whisper by them doesnt say should have kn...', what is the answer? What is referred to by 'carey bledsoe'? Based on the clue 'carey lowell wrote about deepak chopra for this co...', what is the answer? Based on the clue 'carib indian relics can be found in a national par...', what is the answer?