Answer:
11) In Scotland, oatcakes and barley breads are preferred.
12) Central Americans enjoy flat cakes of cornmeal dough
13) The roots of the cassava plant provide flour in the West Indies. {note: not sure of the in, but the provide is correct}
14) The first leavened bread was made by the Egyptians.
15) Hard,flat loaves changed into soft, air-filled loaves.
16) The Egyptians built the first ovens, too.
17) The lighter, leavened bread couldn't be baked on hot rocks.
18) An enclosed, heated area was needed to bake the larger masses of dough
19) We still use the principles of early bread-making today.
20) We all enjoy many forms of bread in our daily diets.
I hope this helped!
(the other answers are on previous questions. These are the questions I didn't answer yet)