The correct option is THE MOUNTAIN RANGE HAVE OFTEN PROTECTED INDIA FROM NORTHERN INVADERS.
There are a number of mountains in the north of India. When invaders storms this part of India, natives typically hide inside these mountain caves to escape from them. The mountain terrains also discourage the invaders to invade at times.
I can’t think one single thing that has all of these things but if you need one for each type of radiation here:
Microwave: microwave (the thing that heats up your food)
Radio: can be found in cell phones
Infrared: remote controls
Visible light: rainbows
Ultraviolet: the sun
X-ray: an x-ray
Gamma ray: metal detector
I hope this helped!! :-)
Answer:
Following the Swedish defeat in the Finnish War of 1808–1809 and the signing of the Treaty of Fredrikshamn on 17 September 1809, the eastern half of Sweden, the area that then became Finland was incorporated into the Russian Empire as an autonomous grand duchy
Explanation: