Different types of challenges in life?

What does it mean if you have a knot under your arm? What is the present tense verb of the tennis ball flies into the air? What are the whiskers on a catfish called? Will axial kill rye grass without killing wheat? Where can you find a new butt plate for the model 245-e? Where did lord nelson lose his eye? When were canopies tents invented? What identification do you need for a fishing license? What does each living person do 10 million times a year? What are catfish nuggets? What do you do with the sand from a sandbox when you move? How does mt.fuji compare in height to the highest mountain in Canada? How much does trail mix cost? What does Quels sont tes activités ou sports préférés mean in Enlgish and how could you answere it in french? Why is catfish not kosher? What do pollock eat? Do sea stars have muscles? What percentage of people survive the Mount Everest climb? What Mountain range is MT Baker in? What fabrics do they use in a pollera?