In parts of Melanesia, pigs can be purchased using strings of shells, which cannot be used to buy any other goods or services. This is an example of __________.
A) special-purpose money
B) general-purpose money
C) bartered commodities
D) peasant money
Question 2
Why do most disciplines become more specialized as they grow?
A) Knowledge accumulates and methods become more advanced.
B) People get bored studying the same topics over and over again.
C) Theories fade out of use and more complex ideas must take their place.
D) Scientists today are simply more intelligent than scientists of the past.
Parts of a muscle
cell parts
But tortoises on lusher islands where grass is plentiful and the need to reach into trees not so fre
How to integrate by parts (Part 1)
How to apply integration by parts more than once
Parts of the Arabidopsis flower