nope
Level 10
It is currently (as of July 2015) Level 54
In order to get Marge on tapped out, you must first get to level 15 and unlock Moe's Tavern. After the tavern is completed, Marge will join the Simpson household.
Once you get Bart's Tree House at level 12 you'll unlock Bart.
Groundwater can be tapped by wells.
"Tap" is the present tense for "tapped".
He tapped out to Kurt Angle in No Mercy
The solo for One is tapped using the finger by Kirk Hammett
If you are looking for any book with a specific level in mind you can find them leveled for you at bundlebooks.com If you have a specific book in mind you can check the level at arbookfind.com
Tapped is already in the past tense. The present tense is tap.
Yes and he has tapped out to Chris Benoit