Which of the following statements about dna viruses are true?

select all that apply.

a. dna viruses are considered living, unlike rna viruses.
b. types i and ii of the baltimore system are used for classifying dna viruses only.
c. dna viruses have a very high mutation rate.
d. double-stranded dna viruses are more common than single-stranded dna viruses

B. Types I and II of the Baltimore system are used for classifying DNA viruses only.

D. Double-stranded DNA viruses are more common than single-stranded DNA viruses

the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.