Answer:
It would be deletion
Explanation:
a base was taken away (deleted) from the sequence; it is also called a frameshift mutation.
insertion, another frameshift mutation, would be a base added and substitution, a point mutation, would be one base replaced with another.
Air resistance because to act on an object, it must touch it
If there is no oxygen , the cells go through anaerobic respiration which leads tot he build of lactic acid in the muscles. This is why we get sore and feel the burn during a workout.
You esophagus is your throat.
Proteins
Carbohydrates
Lipids
Nucleic Acids