What biogeochemical cycle is least dependent on biotic processes

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f

The scientific method is limited to investigating physical phenomena that are which of the following? select all that apply. observable repeatable falsifiable unique measurable