The Steep Drop in World Trade Occurred When

question 5

Multiple Choice

The steep drop in world trade occurred when?

• A) 1950-1951.
• B) 1955-1956.
• C) 1995-1996.
• D) 2005-2006.
• E) 2008-2009.

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Definitions:

Nucleophilicity

A property of chemical species that reflects their tendency or ability to donate an electron pair to an electrophile to form a chemical bond.

Basicity

A measure of the ability of a compound to accept protons.

Nucleophilicity

A measure of a molecule or ion's strength as a nucleophile, or its ability to donate an electron pair to an electrophile.

Basicity

A measure of a substance's ability to donate electrons or accept protons, commonly applied in the context of acids and bases.