Most organisms are known by their common names, which vary by region and language. They also have scientific names based on their classification. How are
scientific names determined?

Scientists use a two-name system called a Binomial Naming System.

Explanation:

Scientists name animals and plants using the system that describes the genus and species of the organism. The first word is the genus and the second is the species. The first word is capitalized and the second is not.

the answer is c a tornado