A deep-sea microplastic degradation specialist finds that a bacterial culture breaks down 12% of microplastics each day. If 500 mg of plastic are present initially, how much remains after 3 days? Round to the nearest milligram.

Wed, 06 May 2026 00:42:57 +0000

**Imagine breaking down plastic in the ocean’s deepest trenches—where light fades and nature’s hidden tools work quietly. A deep-sea microplastic degradation specialist has discovered a compelling breakthrough: a specialized bacterial culture can break down 12% of microplastics each day. If 500 milligrams of plastic are initially present, how much remains after just three days? The answer, rounded to the nearest milligram, reveals more than numbers—it offers a glimpse into nature’s growing role in cleaning one of the planet’s most pressing challenges.** Why this development is gaining attention across science circles—and among environmentally conscious Americans—is tied to rising alarm over microplastic pollution in marine ecosystems. With an estimated 170 trillion plastic fragments now floating in the ocean, innovators are exploring natural degradation mechanisms that could complement conventional recycling efforts. What makes this bacterial process significant is its sustainability and alignment with the circular economy vision: a living solution working quietly beneath the waves, driven by nature’s own mechanisms. A deep-sea microplastic degradation specialist finds that a bacterial culture breaks down 12% of microplastics each day. If 500 mg of plastic are present initially, how much remains after 3 days? Rounded to the nearest milligram, the remaining plastic is 313 mg—proof that gradual, measurable reduction is possible even in extreme conditions. How does this bacterial breakdown work? Unlike harsh chemical methods, the process leverages naturally occurring microbes capable of enzymatically fragmenting plastic polymers. Over three days, each day sees 12% of the remaining plastic converted, meaning the reduction compounds daily—slower initially but steady. This slow but persistent degradation offers hope for reducing microplastic accumulation in ocean environments without introducing new contaminants.