Answer: Covalent bonds
Explanation: These covalent bonds are formed with carbon atoms and other elements.
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The biceps and triceps act against one another to bend and straighten the elbow joint
The scientific method always begins with asking a question
Answer:
Lowest to highest degree of internal organization form the given items are:
1) <u>Digestive system:</u> Digestive system is a type of organ system, which is consist of several digestive organs such as mouth, stomach, pancrease and intestine.
2) <u>Stomach: </u>Stomach is a type of organn which is a functional group of tissues.
3) <u>Stomach lining tissues: </u>These are functional group of cells.
4) <u>Epithelial stomach cell: </u>cell is a basic unit of all life.
Hence, the correct order form loowest to highest degree of internal organization is:
Digestive system => Stomach => Stomach lining tissues => Epithelial stomach cell