1. Currently, most of the population of the Arabian Peninsula lives in O farming villages
O government housing
O large cities
O small towns

Alow-pressure belt means the air is cold and dry warm and rising cold and sinking warm and moist

Which of these is a drawback of using natural gas? a. it is fairly safe for use in homes.b. it burns more cleanly than crude oil products.c. scientists have developed new ways of extracting it.d. during its extraction, groundwater can be contaminated.

In russia which of these challenges affects the transportation of both petroleum products and other goods? a poorly repaired roads b harsh weather and vast distances c frozen waterways d separatist movements