2 small slices should be enough.
Your guinea pig can eat banana. They will also choose to eat banana skin.
Yes. But not too much
You can feed them both guinea pig food. Don't feed the guinea pig the rabbit food or it will be sick. Rabbits are ok on guinea pig food.
I need to feed my guinea pig.
No, get guinea pig food for guinea pigs.
Yes, that's okay for them to eat.
yes.kale is a good treat for your guinea pig.
No. Search online, Guinea Pig Diet.
Do not feed your guinea pig tomatoes, too much lettuce, corn, potatoes, anything that has starch in it. (I learned about the tomato thing when my girl gp died after eating one :( ) you should also not feed your guinea pig too much fruit. too much of it will make your pig diabetic. if you give them any, you should make sure it is no bigger than the size of your thumb.
no.. depending on the guinea pig wether they'll eat it or not
No.
No, Guinea pigs are vegetarians.