Exhibit 31-1 MATCH a Term or Structure from the List Below to Below

question 18

Multiple Choice

Exhibit 31-1
MATCH a term or structure from the list below to each of the following definitions or names. Place the letter of the term or structure in the blank to the left of the definition or name which it describes.

-____ Polymers obtained when two or more different monomers are allowed to polymerize together.

• A)BF₃ + H₂O
• B)elastomer
• C)chain-growth polymer
• D)AL(CH₂CH₃)₃ + TiCl₄
• G)thermoplastic
• H)homopolymer
• I)plasticizers
• J)thermosetting resins
• K)copolymers
• L)step-growth polymer
• M)Grubb's catalyst
• N)metallacycle

Distinguish between income and substitution effects in labor supply decisions.

Understand the opportunity cost of leisure and its relationship with wage rates.

Understand the relationship between human capital and technological progress.

Grasp the dynamics of labor supply curves including the backward-bending curve.

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Definitions:

Opiates

A group of drugs derived from opium, used for their pain-relieving properties, but they can also be addictive.

Morphine

A powerful opioid analgesic drug derived from opium, used to relieve severe pain.

Heroin

An opioid drug made from morphine, a natural substance taken from the seed pod of the various opium poppy plants.

THC

Tetrahydrocannabinol, the principal psychoactive constituent of cannabis, responsible for its mind-altering effects.