What does an atomic number tell you?

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Select the word from the list that best fits the definition a system made of 25 satellites

Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science