What was the Earth like 200 million years ago? The weather was warm and there was plenty of rain. Tall trees, thick bushes, and twisting (缠绕的) vines (藤) grew. In these jungles (丛林), important creatures appeared. Maybe you’ve heard of them. We call them dinosaurs. For about ...
WhatwastheEarthlike200millionyearsago?Theweatherwaswarmandtherewasplentyofrain.Talltrees,thickbushes,andtwisting(缠绕的)vines(藤)grew.Inthesejungles(丛林),importantcreaturesappeared.Maybeyou'veheardofthem.Wecallthemdinosaurs.Forabout150millionyearsdinosaursruledtheEarth.Someofthesefour-leggedanimalswere17meterst...
C What was the Earth like 200 million years ago? The weather was warm and there was plenty of rain.Tall trees, thick bushes, and twisting vines(藤蔓) grew. In these jungles(丛林), important creatures appeared. Maybe you've heard of them. We call them dinosaurs.For about 160 million yea...
What was the Earth like 200 million years ago? The weather was warm and there was plenty of rain. Tall trees, thick bushes, and twisting (缠绕的) vines (藤) grew. In these jungles (丛林), important creatures appeared. Maybe you’ve heard of them. We call them dinosaurs. ...
和“today’s Fujian province was once a tropical rainforest 15 million years ago...There were all kinds of animals and plants in the forest, such as fungi, mosses, broadleaf trees and snails.”可知,这些植物化石曾经生活在热带雨林中。故选B。【小题3】推理判断题。根据“Today, the insects ...
We're trying to understand, with all the possible outcomes, what it was that made the uniqueness of our system. It seems like Earth's climate fixed itself to always be favourable to life.我们试图理解所有可能的结果，探究究竟是什么使我们的系统具有独特性。似乎地球的气候固定不变，总是有利于生命...
Brennan, John. "What Was The Earth's Atmosphere Like About 200 Million Years Ago?"sciencing.com, https://www.sciencing.com/earths-atmosphere-like-200-million-years-ago-4871/. 22 May 2019. APA Brennan, John. (2019, May 22). What Was The Earth's Atmosphere Like About 200 Million Years...
Student: So, they still thought earth started cooling, when it was five hundred million years old. Professor: Well, the discovery of those zircon crystals was pretty exciting, you know.But really, most scientists had to stick with the theory, that had the clearest evidence.And like I said,...
A. The changes in locations of the continents B. The effect of greenhouse gases on the atmosphere C. Factors that influenced the ocean currents D. Factors that contributed to a global freeze 相关知识点: 试题来源: 解析 D 反馈 收藏
Five hundred years ago,the population of the world was about 460 million.In 1900,the world's population was under 2 billion (十亿).Right now it is doubling every 40 years.That means,if this rate of growth continues,when you are a parent,there will be twice as many people on earth as...