Which of the following is a false statement concerning sea urchins? a. they eat seaweed.
b. they are echinoderms.
C. they have movable spines.
d. they have arms.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this