The fossil is the bones of the dinosaur. It is nonliving as the dinosaur is dead.
That type of relationship is known as Parasitism
The thicker and more muscular walls of arteries help them to withstand and absorb the pressure waves which begin in the heart and are transmitted by the blood which gives them higher blood pressure than veins
.5kg
Because the formula for force is Force = mass multiplied by acceleration, so you would divide Force by the acceleration to find your mass.
