Answer:
Hey there!
Density=Mass/Volume
Density=1.2/4555
Density=2.63e-4g/cm^3
Let me know if this helps :)
Biotic factors are living factors in an ecosystem while abiotic factors aren't living
Power is defined in a mathematical expression as P = F x v where F is in N and v is in m/s. From the given equation, the v = d/t which is v = 10/ 6, then substituting the answer to the power formula W = 54 N (10/6 m/s) = 90 Watts.