Answer:
inertia
Explanation:
the resistance of objects to change in their motion
In my experience the head won’t grow back and the rest of the cactus will rot, but in any attempt in saving the plant you can continue to water it as usual or replant the head in a different pot.
The answer is A.
Why: The heart is part of an organism, so that doesn't exactly count. Soil is not alive, and neither is clay. Therefore, Bacteria must be it. Bacteria is a living thing, and can function by itself.