The blood spetter at a crime scene was measured to be 20 cm in diameter. What height did the droplet fall from
A: 200cm
B:120cm
c:160cm
D:140cm

explanation:

not sure if this what   you'r looking for would be percent composition

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