Explanation :
The modern form of calculating any parameter is called the international system of units.
Meter, kilogram, Newton etc are the SI units of length, mass and force respectively. To express any quantity it is required to first convert it into SI units.
The length, breadth, distance and height of an object is measured in meters.
For example, Newton is the SI unit of force. Force is the product of mass and acceleration. The SI unit of mass is Kg while the SI unit of acceleration is 
. So, the Newton is equivalent to 
.
Compatibility in the ABO blood type is necessary for the blood transfusion, but that is not sufficient to determine the possible donor.
The Rh factor should also be taken into consideration when determining blood transfusion compatibility. A person can be Rh positive or negative, and the Rh positive Rh blood donors can only donate to other Rh-positive people.
The moon has phases because of where the sun shines on it. Only yhe part wiyh light of the moon is visible. As the moon moves, the sun light hits is at different angles and creates the different shapes we call phases.
