For a surface storm system to intensity, the upper-level low (or trough) should be located to the WEST of the surface low.
D. Less than 10 feet above sea level.
In the ocean, it is colder in the deeper parts and warmer in the shallow parts.
Answer: 3 Countries.
Explanation:
According to the Wikipedia website, "Three territories of EU member states have withdrawn: French Algeria (in 1962, upon independence), Greenland (in 1985, following a referendum) and Saint Barthélemy (in 2012), the latter two becoming Overseas Countries and Territories of the European Union."