<p>To determine the first life form on Earth, we can follow these steps:</p><p><strong>Step 1: Understand the Environment</strong> The first life forms are believed to have evolved in an aquatic environment. This setting was rich in organic substances, w
What were the first life forms on Earth?Precambrian Earth:The Precambrian Era lasted from approximately 4.5 billion to 542 million years ago. It is the earliest of the Earth's geologic time periods that are measured in aeons; it is during the Precambrian that life-forms began to emerge....
At the beginning of its lifespan, Earth was a chaotic and volcanic planet. Another tiny planet may have collided with Earth in this period and created the Moon, for example. Over the course of tens of millions of years, water on Earth collected to form the first oceans. Scientists theorize...
Knowledge Check First life form on earth was a Acynaobacterium Bchemoherotroph Cautotroph Dphotoautotroph.Submit The first life originated Aon land Bin air Cin water Dall of theseSubmit First life form on earth was a View Solution Scientist believe that life on earth originated by View...
DNA may have mixed with RNA to produce the first life on Earth Key building blocks of DNA and RNA can be made from the same raw materials. This finding suggests that instead of one or the other kick-starting life on Earth, both chemicals were involved in
First, people won't live on the earth. Our cities will be under the sea. Special machines will provide (提供) air and light, but the environment won't be the same. Trees and plants won't grow because there won't be any soil. (泥土) 9. ___Most of food will be in the form of...
It is Mao Zedong, the great Chinese Helmsman who first put all the countries on earth into three worlds. Simply put, the first world consists of rich, industrialized, old imperialist countries (Britain, for example). The third world consists of the once colonized areas of Asia, Africa and ...
《On First Looking into Chapman's Homer》是一首意大利体十四行诗,前四行济慈将诗歌比作金色国度,说自己曾游历其中,读过许多名作;接下来四行说唯有大诗人荷马的杰作自己一直无缘领略(因为济慈出身贫寒,没有学过古希腊文,无法直接阅读荷马史诗的原文),直到Chapman翻译了荷马史诗。最后六行他以两个比喻来形容自己...
For me it took the form of my first, and I hope only, encounter with writer's block— I was not able to produce anything for three years. 2015年12月四级真题(第二套)阅读 Section B For most of the first year of life, if something is out of sight, it's out of mind. 2015年12月...
functionofusing-edand-ingformsas complement. Tohelpstudents consolidatethe applicationof-edor -ingformas complementina real-lifecontext. Activity4 1.Teacherasks studentstolookatthesixpicturesandtryto describethem.2.Teacherasks studentstotalkabout whattheyknowabouttheexpressions. 1.Studentslookatthesixpicture...