Goal and options: Should I leave fallen fruits on the ground as these help add organic beneficial materials to the soil?
output answer: If you leave fallen fruits on the ground this invites parasitic cohabitation with unwanted pests. Be sure to clear up and remove fallen fruits to avoid over-invasion by pests.

Goal and options: Save money on gas.
output answer: Don't speed over 60 mph when you don't need to.

Goal and options: How to mix a carton of juice before serving it
output answer:
Take the carton in one or two hands, and keep it closed. Shake it firmly to make the contents mix together.