In the Photo Below, the Person Is Crushing Aluminum Cans

In the photo below, the person is crushing aluminum cans.
What best explains the benefit of the action depicted?

A) Toxic waste aluminum is prevented from reentering the biosphere, where it could further degrade the environment.
B) Aluminum recycling prevents environmental damage by reducing the necessity of mining aluminum ore and saves the energy needed to ship and process that ore.
C) Collecting scrap aluminum permits the continued manufacturing of the weapons necessary for the defense of this country.
D) When deposited in shallow marine habitats, aluminum cans can create artificial reef habitats that are quickly colonized by fish and shellfish.