نتایج جستجو برای: fossil
تعداد نتایج: 25461 فیلتر نتایج به سال:
Nowadays the position of the renewable energy is so important because of the environment pollution and the limitation of fossil fuels in the world. Energy can be generated more and more by the renewable sources, but the fossil fuels are non-renewable. One of the most important renewable sources is the wind energy. The wind energy is an appropriate alternative source of fossil fuel. The replacem...
When we study the history of life, it easy to see that life has evolved over time. The fossils of creatures that lived before us faithfully record the innovations and changes leading to the diversity of life that we observe today. The history of religion is much shorter, yet it too has left a fossil record revealing some of the innovations and changes leading to the diversity of religions which...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید