Label all the following either primary or secondary Succession that occurs in an area with no soil
Succession that occurs in an area where soil is already present
Volcanic eruption covers the land with new rock.
Forest fire wipes out a forest.
Tornado wipes out a forest.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

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

i dont know it at allnow im just getting points at this pint