So use half the surface area formula: SA=2πr^2 and plug in what you already know
since you don't know the radius yet, solve for it using the circumference
C=2πr
514.96=3.14(2)r
82=r
SA=2π(82)^2
SA=6.28(6724)
SA=42,226.72
so your answer is 42,226.72 yards squared
Chlorine has the potential to break up the ozone layer (along with bromine)
Answer: I think it’s c
Explanation: I read and that’s what I came up with
They would be concerned becuase they affect they area with the symptoms/problems and they would aid them because they are most ways common symptoms are found and usually help find more problems
