The stages of a developing wave cyclone (in order of occurrence) are stationary front, frontal wave, open wave, mature, and advanced occlusion
Front wave A wavy deformation of the front between two air masses. Waves develop northward from the ingress of warm air, usually moving along the front, with cold air in front and behind. Or the center of the storm moves more or less east as a "secondary" over the original cyclone along an extended cold front.
An extratropical cyclone, also known as a wave cyclone or mid-latitude cyclone, is a type of cyclone that forms at mid- or high-latitudes in areas of large horizontal temperature variation called frontal zones. storm system.
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Answer: An unsolicited application letter
Explanation: Debbie being a job seeker with desire for employment with a particular organisation that has not posted open job requisitions, in this case, an unsolicited application letter is used as an inquiry about possible openings and to gain a hiring managers attention. Contacting employers with an unsolicited application letter can open doors that were previously closed to you. The unsolicited application letter acts as an introduction to you, your skills, and why you're a good fit for that company.
Answer:
2. The US imports oil from the Middle East while some countries there rely on the US for food and technology.
Explanation:
A specialization occurred when the process of production a certain product become so cheap and efficient in a country. This allow them to focus their time and resources solely on producing that product and imported other product that they need.
The middle east had the largest oil reserves in the world (As per today, it's 10 times more than US have. They might have some that they haven't discovered yet) . For United States, this means that importing oil from the middle east is much cheaper compared to producing it by their own. They could focus that time and resources for producing foods and technology instead.
