Find the sum of the interior angle measures of a 5-gon

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?

When the soviets created the borders of their central asian and caucus republics, the paid little attention to where each region’s ethic group lived. ethnic-related disputes exist along every sherd boundary in central asia. true false

Largest layer of atmosphere international space station orbits ultraviolet radiation causes ionization the phrases describe what layer of earth's atmosphere?