Good Riddles

Question: I have roots that nobody sees,
I'm taller than any trees,
up and up I go,
but I never grow?

What am I?

Question: Angel and Dory were found on the ground gasping for air surrounded by glass and water. The person who found them quickly got a glass of water for them and they were fine.

What happened to Angel and Dory?

Question: A swan is in the center of a circular lake but he cannot take flight from the water, only on land. On the parameter of the lake there is a hunting dog that desperately wants the swan but cannot swim. So the swan must make it to the land before taking off and must do so before the dog makes it to him. The dog is almost 4 times faster than the swan and always runs to the point around the lake closest to the swan.

How can the swan get out of the lake and take flight before the dog gets him?

Question: To look cool wrap me around your head.
Remove a letter and eat me instead.

What am I?

Question: 7 frogs are sitting on a log. 1 of them decides to jump off of the log. At this moment how many frogs are on the log?