Which of the following is an example of a private effort to help the environment? * A. An individual donates money for a park.
B. A business recycles its waste.
C. A nonprofit group buys land for preservation.
D. all of the above

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

geologic time scale (for gradpoint) =)