Which of these does not describe the Wright brothers' first attempts at flight? A. They created their own wind tunnel.
B. They mimicked the flight of birds.
C. They used fixed wings on the model.
D. They had engines that propelled the airplane forward.

A they created their own wind tunnel

Explanation:

I have don this before

A

Explanation: A P E X

- "the acute form of diverticulitis can manifest itself with one or more severe attacks of infection and inflammation.

the inflammation of diverticulitis can eventually result in a bowel obstruction, which may cause constipation, thin stools, diarrhea, abdominal swelling or bloating, and abdominal pain."

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.