Mayonnaise is almost all fat; oil and egg yolk. There are very few carbs in it although egg yolk has some carbohydrate; .6 gram per cup of mayo.
Yes, there is carbohydrate in mayonnaise. .
Tuna fish (canned) has very little if any carbohydrate in it. It is mostly protein.
No, mayonnaise is a condiment.
No, mayonnaise is not a gas. Mayonnaise is a semi-solid or thick liquid.
It depends on the mayonnaise. You can even get egg-free mayonnaise which is equivalent to an infinite amount of mayonnaise for each egg.
Mayonnaise is a noun.
Possibly...
mayonnaise
Usually they are about the same.
No. There are hair products that that use the word "mayonnaise" in them but it is not the mayonnaise you eat.
Mayonnaise and mayo are the same thing. "Mayo" is just a shortened version of "mayonnaise."
None. There is no seafood in real mayonnaise.