Ineed creating a country and doing it

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

What geologic process is related to caldera formation?

Look at the diagram showing the different wavelengths in sunlight. which statement describes electromagnetic waves with wavelengths greater than 700 nanometers? they take the form of heat. they can cause skin cancer and sunburn. they are some of the shortest waves. they can be seen by human eyes as visible light.