They are constructive forces because if it is destructive it would be like weathering or erosion. Volcanos is a construction of a new landform.
I think this fits the definition of ethical relativism. does that sound right?
Answer:
a) n2=(n1sin1)(sin2)
b) 1.18
c) 201081632.7m/s
d) 254237288.1m/s
Explanation:
a) We can calculate the index of refraction of the second material by using the Snell's law:


b) By replacing in the equation of a) we obtain:

c) light velocity in the medium is given by:

d)

hope this helps!!
Answer:
A bird flies 75m in 15s.Calculate its speed