Discover Questions

When you see a robin in winter does it mean spring is just around the corner? If snow falls in winter, and the freezing point for water is 32 degrees, how does hail, literally chunks of ice, fall in the summer? How much steel is used in road construction? If log(log(log(log(x))))=0, what is x? Don't really understand what to do with logarithums :(? A sphere has volume 2800cm^3 . Find the radius of the sphere.
A.12.81 cm
B.8.75 cm
C.4.375 cm
D.17.5 cm?