Long Riddles and Answers

Question: I climb to the top I dive below I return again For another show.

Question: Say silk ten times. Now answer this question: what does a cow drink?

Question: What has a tongue but can not talk. Gets around, but can not walk.

Question: What has no friends, crippling depression, and serious trust issues?

Question: There were four cats in a boat, one jumped out. How many were left?