Describe the pros and cons of the following energy types,
fossil fuel: oil, natural gas, and coal
nuclear energy
solar energy
wind power
water (hydro) power
bioconversion (biofuel)

The pyramid has a square base that us inscribed in the circular base of the cone. draw an image of the composite shape of the base. 2) if the side length of the square base is 8 units long, what is the diameter of the circular base of the cone from the picture in number 1