Which planet has a very thick atmosphere mainly made of carbon dioxide? A. Mars B. Venus C. Earth D. Jupiter 相关知识点: 试题来源: 解析 B。解析:Venus(金星)的大气层非常厚,主要由二氧化碳组成。Mars的大气层比较稀薄,Earth的大气层主要由氮气和氧气等组成,Jupiter的大气层成分复杂但不是主要由...
The exchange between the atmosphere and the Earth’s surface is expressed using parallel nouns and the paired phrases on the one hand and on the other.B The placement of all three nouns between the paired phrases on the one hand and on the other obscures the nature of the exchange and ...
解析 C。解析:本题考查句子结构。同位语从句用于对名词作进一步解释说明,此处“which has a unique atmosphere and is located in a distant galaxy”是对“a new planet”的解释说明,所以是同位语从句。定语从句是对先行词的修饰限定;状语从句在句子中作状语;主语从句在句子中作主语。
_1 Plants use the sunlight and take up the CO2 in theatmosphere to produce energy and oxygen. This process is called photosynthesis(光合作用).The gas is also produced when fossil fucls are burned. Carbon dioxide that has been storedfor millions of years in coal, oil and natural gas is ...
As volcanoes eruptand pour out lava(岩浆),they also release tiny matter into the atmosphere, which have aneffect on the climate of the region.However, besides all these natural processes that cause natural changes in the climate ofthe Earth, the biggest artfcial influence on the Earths ...
题目: Carbon dioxide, which traps heat in the atmosphere and helps regulate the planet's surface temperature, is constantly beingexchanged between the atmosphere on the one hand and the oceans and terrestrial plants on the other. 选项:
Carbon dioxide, which traps heat in the atmosphere and helps regulate the planet's surface temperature, is constantly being exchanged between the atmosphere on the one hand and the oceans and terrestrial plants on the other. 选项: A、 A. exchanged between the atmosphere on the one hand and ...
If Earth became as hot as Venus, much of its carbon dioxide would be boiled out of the oceans and baked out of the crust. Our planet would soon develop a thick, oppressive carbon dioxide atmosphere much like that of Venus.To answer the question about Venus’ lack of water, we must retu...
It is the little things we do today that have a profound influence on the planet. Only if all of us make joint efforts can we make a big difference and have a good environment. 2.垃圾分类 随着科学技术的发展,我们的生活变得好得多,也...
If the amount of carbon dioxide (二氧化碳) in the atmosphere doubles, there will probably be a rise in the earth's temperature of between 1 and 4. This may seem a small increase, but it would be enough to cause major changes in gcography and agriculture. Large areas of the world would...