It slooowwwwssss down... the colder the slower.
The answer is “During the reign of Askia Muhammad, the Songhai
empire reached its greatest size.”
<span>Askia is also known as Muhammad Ture. He was able to extend
the territory of the Songhai Empire. He was able to get alliances, thus allowed
him to easily conquer many kingdoms. One of the achievements of the Songhai
empire, he was able to gain the respect of his people.</span>
This is known as the visible spectrum of electromagnetic radiation, or visible light. This is the frequency of light that we see, and which illuminates our world as it reflects off of objects. Compared to the full spectrum of electromagnetic radiation, the visible light portion is actually quite small.
The correct answer is - 2. Earth's climates have changed and are likely to change in the future.
From what is known for the geologic past of the Earth, our planet's climate has been changing numerous times. The climate on the planet has varied from being predominantly wet tropical climate, to having ice ages, having multiple different climate types at the same time... The reasons for the changes in the Earth's climate are numerous, with the Sun's radiation, tectonic movements and activities, volcanic activity, outside influences like asteroid and meteorite collisions, the vegetation, and all of them have managed to create a very colorful climate history of the planet. This trend of climate change should continue in the future as well, as all of the aforementioned factors are still influencing the climate and on top of that the humans have become a factor in the climate change too.