What country is made up of 18 atoll islands and is mostly 5 feet above sea level

Tuvalu

Explanation:Tuvalu is a small island nation located in the Western Pacific. It used to be known as the Ellice Islands, but it was renamed after the French explorer Louis XIV. It is surrounded by the Santa Cruz Islands, the Solomons, and Kiribati. The coral reefs of Tuvalu are divided into three groups: the reef islands, which are situated in the middle of the sea, and the atolls, which are located in the lower half of the island. These islands have a different structure from the atolls and are referred to as reef platforms, since they do not have a salt water lagoon.

answer; seasons change because earth tilts on its axis; and the angle of the tilt causes the northern and southern hemisphere to trade places throughout the year;

answer; native americans who sometimes actively impeded railroad construction; physical obstacles like rivers and canyons, and