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Why would a oven not cook?
No heat source, malfunctioning controls, etc. Depending on whether it is heated by electric, gas, coal, wood, etc. verify that the correct heat source is in place. Electric and gas heated oven have controls that could fail, preventing the oven from heating. Gas, coal, and wood ovens must burn their heat source, make sure it is burning correctly. etc.
How does the negative feedback mechanism work?
The negative feedback mechanism is important in many biological processes. The process can be shut off by the accumulation of products further along in the process.
Toaster Oven Basics?
How a Toaster Oven WorksA toaster oven uses electrically heated coils in order to cook food in much the same way as a regular convection oven. By plugging the oven into a standard outlet, you have a handy appliance right on your countertop that is perfect for small meals or other quick items. A standard toaster oven features two control knobs; one sets the temperature for baking and one counts down the cooking time or keeps the oven turned on. You can choose whether to bake or broil your food. The advantages to using a toaster oven instead of a a full-sized oven are that it doesn't heat up the house as much, takes up less space, uses less power, and needs less time to preheat. It does not cook as fast as a microwave oven, but cooks foods more naturally.Common Uses for a Toaster OvenFoods cooked in a toaster oven generally require less cook time because the heat is more direct. Because the heat source is in close proximity to the food, however, it is important to make sure to watch it carefully, and it may be necessary to turn the food while cooking. Following are a few ideas for which you might use a toaster oven:Toasting bread or bagelsHeating pre-made wafflesMelting cheese on top of foodHeating up a frozen individual mealBaking a few cookiesBroiling fishRoasting vegetables with oil and garlic.Caring for Your Toaster OvenThe toaster oven will get hot quickly, so you need to make sure the area around the oven is clear of objects that may be sensitive to heat such as paper or plastic items, and that the oven is pulled away from walls or other appliances. Do not place anything on top of the toaster oven, especially when it is turned on. After using the oven, wipe out any spilled food or crumbs to avoid burning. As a safety precaution, it is advisable to unplug your toaster oven when it is not in use: just remember to plug it back in before you use it the next time.
Why is it called a pizza?
Flat breads have been used as a palate for toppings and stuffing for much longer than "pizza" was ever thought of. Unleavened breads have been around since ancient Egypt. By the 1700s, it was common for the poor people in Naples Italy to add tomatos or tomato paste to their flatbread to make an early form of pizza. This dish became more popular in the late 19th century when Queen Margherita made a tour of her Italian kingdom. She noticed peasants eating a large flat bread and was curious about it. Rather plain for her taste, the queen ordered Chef Rafaelle Esposito from Naples to visit the palace and make her some pizza. Rafaelle topped the pizza with tomato (red), mozzarella (white), and basil (green) to represent the three colors of the Italian flag. This became the favorite pizza of the queen and Pizza Margherita is still popular throughout the world. Various topping were used depending on the regional produce and Pizza soon spread to England, France, Spain and America in the mid twentieth century. Many European and American soldiers fighting in World War II tasted pizza for the first time and were delighted with it. More styles and flavors were developed.
