The cross section area of a hole is 725cm^2. given that the area of a circle is a=3.14r^2 , find the radius of the hole.

Area of a circle =  πr², where r is radius of circle

when area = 725 cm², 
r² = 725/π
r² = 725  ÷ 3.14 =
r =  √230.89
r = 15.2 cm is the radius of the hole

Because the dept in the ocean

In psychology, a person who thinks that upbringing and environment are much more important than genes is more on the side of in the nature versus nurture debate.the answer in the blank is letter b which is nature. they are more on the nature and environmental side than the genetic side of species.