Yes, tomatoes are great for guinea pigs.
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.
Yes
no if you feed them it, they have 99% of dieing
Hell no. All you need is fresh water, grass hay, natural pellets, fresh vegetables and fruits for treat. Please, check the link for info about guinea pig feeding.
No you should never give raisins to guinea pigs they will die if you do. Only feed them guinea pig nuggets or other guinea pig food especially for them or fruit and vegetables but don't give them runny foods like tomatoes.
It is not recommended to feed hamster food to guinea pigs as they have different nutritional needs. Guinea pigs require a diet high in Vitamin C, which is typically not present in hamster food. It is best to purchase guinea pig-specific food to ensure your pet receives the proper nutrients.
yes its ok to give your pig grains but try not to give it too many.
Not if a guinea-pig eats it, as you have put in the question. It's okay if a guinea-pig chews a piece of fabric, because it will grind their teeth down, which is a good thing.
It depends. They certainly wont be aggresive, but if you do, make sure to spay and nueter them.
If the guinea pig is just roaming around the house without protection, then probably. if it's in a locked cage, then it should be ok. a little scared, but ok.
a guinea pig and a mouse aren't the same the guinea pig must have its own type of food like alphalpha pelets and hamsters should eat seeds,nuts,etc. Seeds and nuts are like poison to a guinea pig if the guinea pig and mouse are just eating alphalpha pelets (not seeds) i would say its ok.
guinea pigs dont fart, they have no way to remove air from their bodies.