i thinkits an instrument called seismograph. not sure
<span>The angle of refraction is not necessarily equal to the angle
of incidence, whereas the angle of reflection always is.</span>
Answer:
1) Weight on Mercury

Explanation:
do the same to the rest and use your calculator to find the weight in N.
Answer:
22.37 miles per hour
:) please give me brainliest
Explanation: