Answer:

Explanation:
for the unit vector, we need to divide the given vector by its norm, because it should be in the SAME direction as the original vector, but of magnitude "1".
We notice that the norm of the given vector is:

Then, the unit vector becomes:

E) Protons, neutrons, and electrons
Answer:
The recording that Eli and Clara's Seismograph would show will be very close to that a real Seismograph would show. This is because the mechanism they have constructed is very similar to the real one.
Explanation:
hope this helps
The answer is E. Our Universe
Explanation:
All living organisms metabolize. That is the definition of life. So jr answer is no animal or organism that does not consume food.