http://www.webmd.com/heart-disease/tc/aortic-aneurysm-overview Take a look at this article and go see a doctor. The symptom checker on webmd cites pulsing in the abdomen as a symptom of an aortic aneurysm.
In contrast, for an ellipse it is the ''sum'' of these distances that is a constant
The parachutist and the snowflakes do not fall with a constantly accelerating motion because the velocity changes.
because your going downhill
I feel your struggle. The answer is what ever you want it to be.
A constant is just a number that remains same throughout, while a coefficient is one which is followed by one or more variables.
False question. Electrical energy may be stored in a battery, thus not needing "to be generated constantly." Reask your question with different parameters.
Heap
because it stays the same
it changes overtime with constant movement and change in rotation
a fluid in which ita velocity at any point is constant or varies in a regular manner.
shifting tectonic plates
No. Hemoglobin is required to transport O2, a constant requirement for human life.