Aircraft can break down in hundreds of different ways.
This aeroplane has crossed the Atlantic Ocean many times.
Phone (but it has too be on aeroplane mode), sweets, not drinks, many more
Fiber cannot be digested by the human body. However, if you could break down fiber, it consists of many, many sugars (like glucose and fructose).
Enzymes are used to break them down. There are many enzymes
The aeroplane without a pilot is called a drone. Drones are useful in many situations.
You can probably go a couple of hundred miles, or it could break down at the corner.
about 400
Three.
many And depends which model of aeroplane.
Enzymes that break down proteins are called a protease. There are many different enzymes that break down many different polypeptides. Usually they will end in the suffix "-in".
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Many sorts of enzymes at different parts of the system. In the mouth enzymes to break down sugars, in the stomach enzymes to break down proteins and in the small intestine enzymes to break down fats and sugars.