What is the correct name for a fruit that is actually a complex fused fruit from many flowers fused together? simple fruit aggregate fruit node compound fruit

The answer is the last option, compound fruit.

A compound fruit may be: An aggregate fruit, in which one flower contains several separate ovaries, which merge during development. A multiple fruit, in which several flowers, each with an ovary, develop into small fruits that are clustered or fused together into a larger fruit.

When partially digested carbs reach the colon, bacteria convert part of that food into hydrogen and carbon dioxide gasses