Their sex chromosomes or gender doesn't play a role in determining whether the cancer is from exposure to carcinogens. usually,an abnormality in sex chromosomes leads to hereditary type cancers inherited fro their parents, but with carcinogens they dont have a very major role to play with.Rest 3 options would surely determine an individual getting cancer from carcinogen.
Hair and nails are part<span> of the integumentary </span>system<span>.</span>
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