Yes
Some people believe he was given an Eevee from his Dad, Professor Oak however during his (Gary's) match with Ash in the Johto League Silver Conference, it was revealed that he had picked a Squirtle on the same day that Professor Oak gave Ash his Pikachu.
Not sure but Professer Oak points a gun at Ash. Nasty =(
I guess Misty or Dawn??? not sure really he doesn't show emtions to them very much
After Ash Ketchum defeated Gary Oak in the Johto League Silver Conference Gary Oak had made the decision to retire from continuing his path as a Pokémon Trainer and competing with Ash Ketchum and instead decided on becoming a Pokémon Researcher much like the kind of Pokémon Researcher that his Grandfather; Professor Oak is.
Yes, ash trees are commonly found with oak trees in some forests. In northern Texas for example, it is common to find Green Ash, Texas Ash and White Ash growing near Red oak, Shumard Oak, Post Oak and Burr Oak.
no. oak is harder then birch
No, Ash didn't send his Gible to Professor Oak.
Pikachu was in the Poke Ball that Ash had received from Professor Oak.
Yes
Ash, Oak, Yew, Elm, are four I can think of.
pine
Oak and walnut are woods commonly used in making furniture. Walnut is considered to be a little bit harder than oak.
yes
oak and ash is mum
Ash Balsa Ebony
bamboo