alleryPolylactic acid is a popular biodegradable plastic. From which kind of material is it derived?
ACrude petroleum oil
BRenewable raw materials
CNatural gas alone
DMined metal ores
Answer & Solution
Correct answer: B. Renewable raw materials
1. Biodegradable plastics are designed to break down after use.
2. Polylactic acids are derived from non-petrochemical, renewable materials.
3. Most other plastics come from natural gas and petroleum.
_Source: Wikipedia, Plastic, Biodegradable plastics_
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