C. The Bering Land Bridge once connected what would be Russia and North America but the the movement of these continents separated the land bridge
It is due to agitation of the heart. This is the result of a blow in the area directly over the heart.
The right answer for the question that is being asked and shown above is that:
The density of a certain object can be solved using two parameters: The mass and the volume.
Density = mass / volume.
So, from the given question, we are lacking on what the volume is.
