What is the purpose of the prefixes in the metric system?
a.
they signify the multiples of ten for each unit.
b.
they signify a completely separate unit.
c.
they always make a unit smaller.
d.
they always make a unit larger.

a.) They signify the multiples of ten for each unit.

the  answer is A

Explanation:

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

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