AY MONERATOR PLS DELETE MY ACC!

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

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

Dubai is challenged by all of the following environmental factors except a. a warm and dry climate b. a lack of annual rainfall c. scarce freshwater resources d. a lack of valuable natural resources