Some bakers of sourdough and a few other types of bread have what they call “starter dough.” This dough contains yeast from which they make all their bread. Some starter dough is more than 100 years old. The dough has to be “fed” more flour and water on a regular basis for it to remain usable. Why must the starter dough be “fed”?

How are tumors cells different from normal cells

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Pls in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.