13.99 kilometers is the diameter.
Divide the circumference (43.96) by 2(pi), which should give you a radius of 6.99. You should then proceed to multiplying that by 2, since radius is half of the diameter, giving you 13.99.
Explanation:
true because one can't see their behavior
Okay what is the personal matter?
True, because their impact can be passed on through generations even if the waste is removed
Answer:
This forms a geometric figure on the surface plot and is called an infinite cone. Take a look at this figure: