Is improve stamina physical or mental and emotional ?

Asphere is inside a cube.the diameter of the sphere is equal to the edge length of the cube. what portion of the volume of the cube is taken up by the sphere?

An example of a chemical hazard is: a. plastic from food packaging gets stuck on food b. a piece of glass falls in a salad dish c. juice from raw meat drips into the fruit salad d. a bleach container spills onto a food contact surface

Do not use within 500 ft of an oncoming vehicle. a. turn signals b. parking lights c. low beams d. high beams