It is the branch of science, in which we study different phenomena of atmosphere including climate and weather.
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
You first find the mass and the volume of that object. Then you divide mass ÷ volume
The unmagnetized pieces of iron would be randomly pointing to directions, this is true because although influenced with the magnetic domain, the direction of the unmagnetized iron field of attraction is not uniform or does not have preferred direction.