Carbon is an element
Oxygen is an element
Scientific explanation has data or statistics that have been tested and experimented to determine outcomes. Stories are subjective information that has no evidence to back up if it’s true or not.
The term that best completes the given statement above is the word ATTENUATED. A method of producing an attenuated vaccine is through genetic manipulation of a microbe to remove one or more virulence factors. The purpose of creating attenuated vaccines is to reduce the effect of a microorganism to the body. Once the body is exposed to the said disease, it will not experience a dreadful effect done by the microorganism.
The answer should be the contraction of muscles.
Hope this helps mate.