Answer:
<h2>C. Core Sample</h2>
Explanation:
A core sample is a cylindrical section of (usually) a naturally-occurring substance. Most core samples are obtained by drilling with special drills into the substance, such as sediment or rock, with a hollow steel tube, called a core drill. The hole made for the core sample is called the "core hole".
Explanation:
Switching from walking to taking the bus would mean a behavioral change that will result in a decrease in activity level. Whereas you were getting some form of physical activity in walking you are now taking the bus which means your level of physical activity has dropped as you will be sitting on the bus not doing anything, before you were actively moving your body.
The answer is tympanostomy
My best guess would be D. none of the above, because none of these really have what it take to have spiritual health; If it is I would most likely be A or C
