Which greeting uses a formal style? Dear Auntie Mae, Hey Gregor, To Sixth Grade Students: Howdy Youth Group–

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

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

Can yall plz me on this question im having a hard time think about it