Answer:
Option B, 
Explanation:
Given-
The average surface area of one foot pad of an elephant is

Weight of an Asian elephant is
newton
As we know, pressure is equal to total weight divided by total area of the surface on which it is concentrated.
Thus, pressure on one foot pad of elephant is 

Hence, option B is correct answer
A heart beat, breathing, and moving ;)
The correct answer is enter inhibitors or fusion inhibitors.
<span>
Enter inhibitors are a class of <span>antiretroviral drugs, used for the treatment of </span>HIV infection. Enter inhibitors interfere with the binding, fusion and entry of a virus to a human cell by <span>binding to human cellular co-receptors.</span></span>
You can tell if matter is conserved if the substance changes . If the substance changes then matter has been conserved .
B would be your answer hope this helps :)