An aquatic ecosystem contains 15000 algae, 1000 freshwater shrimp, 80 perch, 10 northern pike,

and 1 osprey. Draw a pyramid of numbers that

represents this ecosystem.

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.

energy and particles

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.