All of them are kosher
Glatt kosher is stricter, meaning that kosher animals get checked more closely for any scars in their lungs.
No. 1). There is no such company as "Kosher Foods". Kosher food is not a company, any more than "Chinese Food" is. 2). Tyson doesn't produce any kosher products.
Any cheeses made from kosher ingredients by a manufacturer that is certified kosher is kosher. Kosher refers to any food prepared according to the laws of kashrut (Jewish dietary laws), it is not a style of food.
Any side dish that is prepared in a kosher kitchen using only kosher ingredients would be kosher. Please note that kosher is a designation given to any food that is prepared following kashrut (Jewish dietary laws) and is not a style of food.
no
Yes, there are non-kosher hotels in Israel.
Any food that is not made in a kosher kitchen following kashrut (Jewish dietary laws) is not kosher. Please note that kosher is not a style of cooking.
Totino's pizza rolls are not kosher because they do not have kosher certification which is required for any commercially produced food.
Yes opa is a kosher fish. Any fish that is born with scales and a dorsal fin is kosher. As long as it hasn't been touched by a non kosher knife
Yes, unless there are any added ingredients which are not kosher. Not all brands of tuna are kosher so you would have to check for a valid hechsher (kosher symbol) on the packaging.
Meat or poultry should have Rabbinical kosher-certification. So, to answer the question, any meat or poultry that is kosher can be eaten by kosher observant Jews.
An egg and cheese sandwich can be kosher if the the egg, cheese and any other ingredients are kosher and it was prepared in a kosher manner.