The Chao Phraya River is considered an artery because .
A.
it flows from south to north
B.
it is used to transport people and goods
C.
it has many waterfalls
D.
it starts high in the mountains

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

the right answer is d