Steroids are a complex arrangement of

a) hydrogen atoms in a four ring structure

b) hydrogen atoms in a five ring structure

c) oxygen atoms in a four ring structure

d) oxygen atoms in a five ring structure

e) carbon atoms in a four
ring structure

f) carbon atoms in a five ring structure

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

links? do you have a link? i don't see anything?