Because the specimen is very small with a light microscope
Answer:
beats per second
Explanation:
Number of heart beats = 
time taken = 
now we have
%
%
now rate of heart beat is defined as number of heart beat per unit of time
so we have


so we have

%
beats per second
The closer you are to the ground the more accurate you'll be. That's why most snipers are in the "prone" position.
Answer:0.6kw
Explanation:
Power=force×velocity
Power=20×30=600w
In kw it's going to be 600/1000=0.6kw
I'm pretty sure its transverse waves