Which process enables the use of resources repeatedly

Reversible process

Explanation:

Reversible process is the process in which the reactants and the products both are used. They both are produced also. We can consume either the product or the reactant. So, if we need a resource to be produced repeatedly, we should put it in a reversible process.

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls