Poly(lactic acid) is a biodegradable polymer that is used in 3D printing. It can be made through the polymerization of L-lactic acid (below). Draw three repeat units of the polymer that is formed with the appropriate stereochemistry. 
Definitions:
Fertility Rates
The average number of children that would be born to a woman over her lifetime in a particular population.
Electricity Generation
The process of producing electrical power through various means such as thermal, hydroelectric, nuclear, solar, and wind energy.
Petroleum
A naturally occurring, yellowish-black liquid found in geological formations beneath the Earth's surface, used primarily as a fuel source.
Per Capita Water Use
The average amount of water used per person within a specific population or area over a certain time frame.
Q16: The flame retardant below has been found
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Q38: The synthetic steroid RU-486 is shown below.
Q54: Provide the major organic product of the
Q62: Provide an acceptable name for the compound
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Q79: Provide the major organic product of the
Q93: Provide an acceptable name for (CH<sub>3</sub>)<sub>2</sub>CHCH=C(CH<sub>3</sub>)CH<sub>2</sub>CH<sub>3</sub>.
Q116: Provide the major organic product of the