Isn't it true that most if not all elements reflect light because they have colors and colors let us know that light is being reflected colors are just the light that is reflected<span />
The change is due to the motion of the Earth in its orbit around the sun
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
The genocide happened in Rwanda, you are correct.