I think this is the answer...
Warm air is increasing to create low pressure zone; cool air is falling, creating a high pressure region. Air pressure and climate are rising warm air. Winds cause weather that moves across high-and low-pressure areas horizontally. The faster the wind moves, the higher the pressure difference between the pressure zones.
$0.05 is the price per ounce.
DescriptionInternational trade is the exchange of capital, goods, and services across international borders or territories because there is a need or want of goods or services. In most countries, such trade represents a significant share of gross domestic product. Wikipedia
Not completely sure cuz I don’t know what the required reading is, but the US is probably the most dependent on imported oil
