What problem facing the volga river is mike edwards describing and what has caused that problem

Aempty box is shaped like a rectangular prism the box has a base area of 9/10 square foot and a height of one-third foot how much packaging material is required to fill the box is it

What does 2[tex] {2}^{ - 4} \times {2}^{ - 2} [/tex]

Is our world actually shaped as a globe