Answer:
Celery has negative calories because it provides fewer calories than what is needed to chew, digest and absorb the nutrients.
Explanation:
Celery is considered as negative calories food because it is very low in calories. When a person wants to loose weight celery is a go to meal. It provides less calories to a person than he looses to consume it. When a person chews, and digests the celery his calories are loosed.
Biodiversity—the earth's great variety of species and ecosystems
The variety of different species, the genetic variability among individuals within each species, and the variety of ecosystems, as well as the functions such as energy flow and matter cycling needed for the survival of species and biological communities.
Answer:c. enzymatic breakdown of food molecules