Which of the following countries has a well-developed agricultural system?
a. israel
b. saudi arabia
c. iran
d. yemen

Exposed great deposits of coal and iron ore

Build a market-oriented economy;

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.