I know its starts with the mouth, then the esophagus, then stomach
I think the answer is D) all of the above. These all seem like mistakes they made.
Answer:
An ignition source is a process or event which can cause a fire or explosion. Open flames, sparks, static electricity, and hot surfaces are all possible ignition sources. An explosion can occur when flammable gases or vapors in the air come in contact with an ignition source such as a spark.
9 calories per gram is the answer
Answer:
1. Energy giving Foods: These are mostly carbohydrates. Such foods give the body energy to work and go about it's daily routine. examples of such foods are rice, potatoes, wheat, etc.
2. Body building foods: These are mostly proteins. Such foods help us grow. They repair worn out tissues, muscles, and bones. Examples of such foods are milk, eggs, chicken, etc.
Explanation:
