Wiki User Answered 2010-09-07 17:38:04. one - fifth . Desert Description Land Biome Overview. 1/5th. One of the largest mountain ranges in North America is the Rocky Mountains, which begin in the northwestern region of Canada and extend over 3,000 miles to the southwestern region of the US. 1. Save a GPA. Desert environments (arid lands /drylands) constitute the most widespread terrestrial biome on Earth covering about 35% of the land areas of the world (Fig. Virtual Teaching Assistant: Heather L. Question Level: Basic Karma: Free . For example, rain shadow deserts are formed when landforms like mountains interrupt cloud cover and prevent precipitation on the protected, or leeward, side of a mountain range. It is the driest, coldest, windiest continent on Earth. In general, deserts may be hot, like the Sahara, or cold, like Antarctica. They occur in areas where very little moisture or precipitation (less than 254 milimeters/10 inches) is brought by the prevailing winds. How many protons are there in the nucleus of carbon? What Really Turned The Sahara Desert From A Green Oasis Into . How much of the Earth's land surface is desert ? How much of the Earth's land surface is desert? Since 71% of the Earth is covered by water then about 9.5% of the Earth's surface is desert. The first is the more general about 70% of Earth is water while about 30% is land (US Geological Society). Suggest other answer Login to Discuss/suggest the answer... jailaxhami 385 Exam: SSC CGL SOLVED PAPER PRE. Deserts occupy approximately 9.5% of the Earth's total surface and one third of the land area (33%). Share Link. The total land surface area of Earth is about 57,309,000 square miles, of which about 33% is desert and about 24% is mountainous. GRUMP places Cairo's urban land area ("urban extent") at 10,900 square kilometers. A desert can be any land area that has an annual deficit of water -- that is, an area where more moisture evaporates than is taken in through any form of precipitation. Only a tiny fraction, because of the almost impossible living conditions. That might sound like a surprisingly large amount, but that’s based on the official definition of a desert. About one third (33%) of the earth's land surface is desert. Deserts are primarily defined by their dryness. The climate in this continent drastically changes between -10 degree Celsius to -30 degree Celsius under normal condition. As shown on the map above, deserts occur on all of Earth's continents. Albedo is a measure of how well surfaces reflect sunlight. Practice and master your preparation for a specific topic or chapter. What Percene Of The Earth S Land Surface Is Desert Universe. A 2018 study used a climate model to simulate the effects of lower albedo on the land surface of deserts caused by installing massive solar farms. While plants are not growing on the land, the land may not necessarily be desertified. Nature Climate Change. Land. 2. The highest point on land is Mount Everest (8,848 metres or 29,029 ft) and the deepest known part on ocean is The Mariana Trench (11,034 metres or 36,200 ft). There are four different types of deserts based upon their geographic situation: 1) polar deserts, 2) subtropical deserts, 3) cold winter deserts, and 4) cool coastal deserts. The largest hot desert on Earth is Africa's Sahara desert, which makes up 8.6 million square kilometers (3.3 million square miles) of the planet's surface. Most of the world's surface is covered in water, in the form of oceans. Hot deserts usually have a large diurnal and seasonal temperature range, with high daytime temperatures, and low nighttime temperatures (due to extremely low humidity). Another 15 percent of the Earth's land surface possesses some desertlike characteristics. 9. The two largest deserts on Earth are in the polar areas. how much of earths land surface is desert. Are used for communication in artificial satellites, Copper wires are generally used for electrical power transmission instead of iron wire because. The remaining landmass of Earth amounts to approximately 29 percent of the surface. 1/3rd. Does Mercury Have a Thin or Thick Atmosphere? See Answer. A) about 10% B) about 20% C) about 30% D) about 50% This biome has a layer of soil that can either be sandy, gravelly, or stony, depending on the type of desert. Water on Mars is scarce, with rovers Spirit and Opportunity finding less than there is in Earth's driest desert. According to the National Geographic News, this leaves a little less than 40 percent of Earth's total landmass suitable for agriculture. What Are Two Ways That Kangaroos Keep Themselves Cool? About one-third of the land surface of the world is arid or semi-arid. A desert is a barren area of land where little precipitation occurs and consequently living conditions are hostile for plant and animal life. Universe Today: What Is the Largest Desert on Earth? One third (33%) of the land surface of the earth is considered desert. How Does Climate Change Affect the Temperature in a Deciduous Forest. 10. This left only 45% as ‘natural’ or ‘semi-natural’ land. Although most deserts, such as the Sahara of North Africa and the deserts of the southwestern U.S., Mexico, and Australia, occur at low latitudes, another kind of desert, cold deserts, occur in the basin and range area of Utah and Nevada and in parts of western Asia. A 2018 study used a climate model to simulate the effects of lower albedo on the land surface of deserts caused by … Q&A > Social Studies > how much of earths land surface is desert Europe. What happens when a chemical bond is formed? The dry subhumid category covers 9.9% of Earth's land surface. Google Earth, Author provided A greener Sahara. Introduction. The lack of vegetation exposes the unprotected surface of the ground to the processes of denudation. This arid land receives an average of less than 25 millimeters (1 inch) of rain each year. How much of the Earth's land surface is covered by deserts? Though sand dunes and cacti might immediately spring to mind when people think about deserts, the term "desert" is actually more inclusive and refers to a variety of different land types, from arid canyons to frigid polar plains. The desert biome covers about one-fifth of Earth’s surface. They occur in areas where very little moisture or precipitation (less than 254 milimeters/10 inches) is brought by the prevailing winds. It is the law of. Explore. 173,000 km 2 – 115,000km 2 = 58,000 km 2. This massive polar desert accounts for approximately 14.2 million square kilometers (5.5 million square miles) of the Earth's surface. Explanation: if u love my ans mark me brainliest.... babtaara38 babtaara38 Answer: 1/3rd . https://courses.lumenlearning.com/earthscience/chapter/deserts 5. About what percentage of Earth's land surface is covered by deserts? 14.1) and are home to over 20% of the world’s population. About 29% of the total surface of the earth is land (the rest is water) Types of land. Deserts take up about one third (33%) of the Earth’s land surface. The remaining 70.8% is covered with water, mostly by oceans, seas, gulfs, and other salt-water bodies, but also by lakes, rivers, and other fresh water, which together constitute the hydrosphere. (a) 1/10th (b) 1/5th 10) 1/3rd (d) 1/6th SSC-CGL 2011 214 The latt1nofth 2 See answers Brainly User Brainly User Answer: approx.⅓ of total surface. What is the only continent that does not have a large desert? The remaining landmass of Earth amounts to approximately 29 percent of the surface. Yet the GRUMP urban density, at 1,550 per square kilometer would make Cairo no more dense than … Upload Date: 5/31/2017. That's a lot of land, but much of it is not even remotely arable, as 20 percent of Earth's land mass consists of desert, and even more is devoted to alpine and arctic tundra, neither of which permits crop growth. All the four quantum numbers of two electrons in an atom are not the same. Wrap Up: 12. Top Answer. Zig In. water desert land cities I think its land 2 See answers eatingdeadcats eatingdeadcats Your right. Deserts usually get at most 50 centimeters (20 inches) of rainfall a year, and the organisms that live in deserts are adapted to this extremely dry climate.. Plants in deserts have adaptations to conserve water. Flag; Note; Bookmark; Geography. Half 4. What Is The Temperature Range In The Gobi Desert? Deserts, which make up a large amount of the Earth's land mass, are home to a diverse collection of plants, animals and landforms.