Label the sequence of events for the evolution of the atmosphere in the correct order. 1-7

a.)meteorite bombardment
b.)eukaryotes evolve
c.)oceans form
d.)banded iron formations created
e.)volcanic outgassing
f.)oxygen increases in the atmosphere
g.)cyanobacteria evolve

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.

b.have there own function.